diff --git a/CHANGELOG b/CHANGELOG
index 2675db90543416573d54127c6e61d4b67d77b4b9..4ca3f997f8438e2f1789dae9060f066c99210eab 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,6 @@
+v 7.2.0
+  - Add project stars (Ciro Santilli)
+
 v 7.1.0
   - Remove observers
   - Improve MR discussions
diff --git a/app/assets/javascripts/project.js.coffee b/app/assets/javascripts/project.js.coffee
index 4262418fd5ec8b65f3b191ae13e6ecc5c8a95d46..d81cc087df9b7b91c3f138ddf02bc1fcabb63b7b 100644
--- a/app/assets/javascripts/project.js.coffee
+++ b/app/assets/javascripts/project.js.coffee
@@ -46,3 +46,8 @@ $ ->
     $.cookie('hide_no_ssh_message', 'false', { path: path })
     $(@).parents('.no-ssh-key-message').hide()
     e.preventDefault()
+
+  $('.project-home-panel .star').on 'ajax:success', (e, data, status, xhr) ->
+    $(@).toggleClass('on').find('.count').html(data.star_count)
+  .on 'ajax:error', (e, xhr, status, error) ->
+    new Flash('Star toggle failed. Try again later.', 'alert')
diff --git a/app/assets/stylesheets/behaviors.scss b/app/assets/stylesheets/behaviors.scss
index 23f206ce3dc6c1ed7f8303f2a314a7977f2b8c44..034692a67e1b7cb0977560d8d44d251b425d485d 100644
--- a/app/assets/stylesheets/behaviors.scss
+++ b/app/assets/stylesheets/behaviors.scss
@@ -4,3 +4,9 @@
 .js-details-container .content.hide { display: block; }
 .js-details-container.open .content { display: block; }
 .js-details-container.open .content.hide { display: none; }
+
+// Toggle between two states.
+.js-toggler-container .turn-on  { display: inline-block; }
+.js-toggler-container .turn-off { display: none; }
+.js-toggler-container.on .turn-on  { display: none; }
+.js-toggler-container.on .turn-off { display: inline-block; }
diff --git a/app/assets/stylesheets/generic/buttons.scss b/app/assets/stylesheets/generic/buttons.scss
index 046e5040fb2e77463dee1f04684eaa568e9b5afd..d098f1ecaa2193f61ffc69527b915a421b4491e3 100644
--- a/app/assets/stylesheets/generic/buttons.scss
+++ b/app/assets/stylesheets/generic/buttons.scss
@@ -6,7 +6,7 @@
   vertical-align: middle;
   cursor: pointer;
   background-image: none;
-  border: 1px solid transparent;
+  border: $btn-border;
   white-space: nowrap;
   padding: 6px 12px;
   font-size: 13px;
@@ -19,7 +19,6 @@
   user-select: none;
   color: #444444;
   background-color: #fff;
-  border-color: #ccc;
   text-shadow: none;
 
   &.hover,
diff --git a/app/assets/stylesheets/main/variables.scss b/app/assets/stylesheets/main/variables.scss
index c49f7db788e724beacbdd24267dbc9abe74c1b07..02ce2c8338ff848d1b6b61b8c9cdc6ef47e09187 100644
--- a/app/assets/stylesheets/main/variables.scss
+++ b/app/assets/stylesheets/main/variables.scss
@@ -10,6 +10,8 @@ $hover: #D9EDF7;
 $link_color: #446e9b;
 $link_hover_color: #2FA0BB;
 
+$btn-border: 1px solid #ccc;
+
 /*
  * Success colors (green)
  */
diff --git a/app/assets/stylesheets/sections/projects.scss b/app/assets/stylesheets/sections/projects.scss
index c9188fb751c68f3656cf1d848dfcd3193908aeb1..eecc49620fdd152e6b6f47874d1d4f5a683c6087 100644
--- a/app/assets/stylesheets/sections/projects.scss
+++ b/app/assets/stylesheets/sections/projects.scss
@@ -50,6 +50,22 @@
         margin-left: 10px;
         font-weight: 500;
       }
+
+      .star .btn {
+        font-weight: bold;
+        line-height: 22px;
+        padding: 0px;
+        $margin-x: 6px;
+        .toggle {
+          display: inline-block;
+          padding: 0px $margin-x;
+        }
+        .count {
+          border-left: $btn-border;
+          display: inline-block;
+          padding: 0px $margin-x;
+        }
+      }
     }
   }
 
diff --git a/app/controllers/projects_controller.rb b/app/controllers/projects_controller.rb
index 3d012b7e16463ec943d0bc40303b8423cdf6dff9..1b1b0eb7ad1d0254e9e855fc67580bb1fb095a6d 100644
--- a/app/controllers/projects_controller.rb
+++ b/app/controllers/projects_controller.rb
@@ -60,6 +60,8 @@ class ProjectsController < ApplicationController
     @events = event_filter.apply_filter(@events)
     @events = @events.limit(limit).offset(params[:offset] || 0)
 
+    @show_star = !(current_user && current_user.starred?(@project))
+
     respond_to do |format|
       format.html do
         if @project.empty_repo?
@@ -167,6 +169,12 @@ class ProjectsController < ApplicationController
     end
   end
 
+  def toggle_star
+    current_user.toggle_star(@project)
+    @project.reload
+    render json: { star_count: @project.star_count }
+  end
+
   private
 
   def upload_path
diff --git a/app/helpers/projects_helper.rb b/app/helpers/projects_helper.rb
index bc2ec84302d817db1e1aaf6c06e4a45a801ef424..1304e2dea23677992a55c223dc627f6ff792a5cc 100644
--- a/app/helpers/projects_helper.rb
+++ b/app/helpers/projects_helper.rb
@@ -122,6 +122,28 @@ module ProjectsHelper
     options_for_select(values, current_tracker)
   end
 
+  def link_to_toggle_star(title, starred, signed_in)
+    cls = 'btn'
+    cls += ' disabled' unless signed_in
+    content_tag 'span', class: starred ? 'turn-on' : 'turn-off' do
+      link_to toggle_star_project_path(@project),
+        title: title, class: cls, method: :post, remote: true,
+        data: {type: 'json'} do
+        content_tag('span', class: 'toggle') do
+          content_tag('i', ' ', class: 'icon-star') <<
+          if starred
+            'Unstar'
+          else
+            'Star'
+          end
+        end <<
+        content_tag('span', class: 'count') do
+          @project.star_count.to_s
+        end
+      end
+    end
+  end
+
   private
 
   def get_project_nav_tabs(project, current_user)
diff --git a/app/models/project.rb b/app/models/project.rb
index 339143196a731756f731078066de3424572de814..10882ea97cc9769d1064605a481faa2e5d60f14e 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -22,6 +22,7 @@
 #  visibility_level       :integer          default(0), not null
 #  archived               :boolean          default(FALSE), not null
 #  import_status          :string(255)
+#  star_count             :integer
 #
 
 class Project < ActiveRecord::Base
@@ -81,6 +82,8 @@ class Project < ActiveRecord::Base
   has_many :users, through: :users_projects
   has_many :deploy_keys_projects, dependent: :destroy
   has_many :deploy_keys, through: :deploy_keys_projects
+  has_many :users_star_projects, dependent: :destroy
+  has_many :starrers, through: :users_star_projects, source: :user
 
   delegate :name, to: :owner, allow_nil: true, prefix: true
   delegate :members, to: :team, prefix: true
@@ -107,6 +110,7 @@ class Project < ActiveRecord::Base
   validates :import_url,
     format: { with: URI::regexp(%w(git http https)), message: "should be a valid url" },
     if: :import?
+  validates :star_count, numericality: { greater_than_or_equal_to: 0 }
   validate :check_limit, on: :create
 
   # Scopes
diff --git a/app/models/user.rb b/app/models/user.rb
index 350e30f16186ee2d1c7b59b364956cb0ecf9f8f8..9ab3ea025c36248a7cc08b7e7355f5a33b1006a7 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -91,6 +91,8 @@ class User < ActiveRecord::Base
   has_many :personal_projects,        through: :namespace, source: :projects
   has_many :projects,                 through: :users_projects
   has_many :created_projects,         foreign_key: :creator_id, class_name: 'Project'
+  has_many :users_star_projects, dependent: :destroy
+  has_many :starred_projects, through: :users_star_projects, source: :project
 
   has_many :snippets,                 dependent: :destroy, foreign_key: :author_id, class_name: "Snippet"
   has_many :users_projects,           dependent: :destroy
@@ -517,4 +519,18 @@ class User < ActiveRecord::Base
   def system_hook_service
     SystemHooksService.new
   end
+
+  def starred?(project)
+    starred_projects.exists?(project)
+  end
+
+  def toggle_star(project)
+    user_star_project = users_star_projects.
+      where(project: project, user: self).take
+    if user_star_project
+      user_star_project.destroy
+    else
+      UsersStarProject.create!(project: project, user: self)
+    end
+  end
 end
diff --git a/app/models/users_star_project.rb b/app/models/users_star_project.rb
new file mode 100644
index 0000000000000000000000000000000000000000..80e756bd00c167157b7cdc8a48017bc7c18b9c66
--- /dev/null
+++ b/app/models/users_star_project.rb
@@ -0,0 +1,19 @@
+# == Schema Information
+#
+# Table name: users_star_projects
+#
+#  id                 :integer          not null, primary key
+#  starrer_id         :integer          not null
+#  project_id         :integer          not null
+#  created_at         :datetime
+#  updated_at         :datetime
+#
+
+class UsersStarProject < ActiveRecord::Base
+  belongs_to :project, counter_cache: :star_count
+  belongs_to :user
+
+  validates :user, presence: true
+  validates :user_id, uniqueness: { scope: [:project_id] }
+  validates :project, presence: true
+end
diff --git a/app/views/projects/_home_panel.html.haml b/app/views/projects/_home_panel.html.haml
index ddf815ebd996a68baaf3bfc302b4ce222dd2f146..bf9301d70c44ecb8a0b78107ca9b54280dc16520 100644
--- a/app/views/projects/_home_panel.html.haml
+++ b/app/views/projects/_home_panel.html.haml
@@ -27,10 +27,16 @@
           = link_to project_blob_path(@project, tree_join(@repository.root_ref, readme.name)) do
             = readme.name
 
-    - unless empty_repo
-      .col-md-5
-        .project-home-links
+    .col-md-5
+      .project-home-links
+        - unless empty_repo
           = link_to pluralize(number_with_delimiter(@repository.commit_count), 'commit'), project_commits_path(@project, @ref || @repository.root_ref)
           = link_to pluralize(number_with_delimiter(@repository.branch_names.count), 'branch'), project_branches_path(@project)
           = link_to pluralize(number_with_delimiter(@repository.tag_names.count), 'tag'), project_tags_path(@project)
           %span.light.prepend-left-20= repository_size
+        %span.star.js-toggler-container{class: @show_star ? 'on' : ''}
+          - if current_user
+            = link_to_toggle_star('Star this project.', false, true)
+            = link_to_toggle_star('Unstar this project.', true, true)
+          - else
+            = link_to_toggle_star('You must sign in to star a project.', false, false)
diff --git a/config/routes.rb b/config/routes.rb
index f54f9ea53416281980b5284769606e7f5ceb678d..f8c68eb11a1fb46757d48ed457c23edd149b82ee 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -185,6 +185,7 @@ Gitlab::Application.routes.draw do
       post :archive
       post :unarchive
       post :upload_image
+      post :toggle_star
       get :autocomplete_sources
       get :import
       put :retry_import
diff --git a/db/migrate/20140625115202_create_users_star_projects.rb b/db/migrate/20140625115202_create_users_star_projects.rb
new file mode 100644
index 0000000000000000000000000000000000000000..412f0f6f34be75240d3f66552239a9c04d596f2c
--- /dev/null
+++ b/db/migrate/20140625115202_create_users_star_projects.rb
@@ -0,0 +1,15 @@
+class CreateUsersStarProjects < ActiveRecord::Migration
+  def change
+    create_table :users_star_projects do |t|
+      t.integer :project_id, null: false
+      t.integer :user_id, null: false
+      t.timestamps
+    end
+    add_index :users_star_projects, :user_id
+    add_index :users_star_projects, :project_id
+    add_index :users_star_projects, [:user_id, :project_id], unique: true
+
+    add_column :projects, :star_count, :integer, default: 0, null: false
+    add_index :projects, :star_count, using: :btree
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 345b6fd3b68f710c0ea9577e1f0fb89624ecc58a..e4dcdf5bea2b6d554e7b9eba64ab4b7aeecf1210 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20140611135229) do
+ActiveRecord::Schema.define(version: 20140625115202) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -224,11 +224,13 @@ ActiveRecord::Schema.define(version: 20140611135229) do
     t.boolean  "archived",               default: false,    null: false
     t.string   "import_status"
     t.float    "repository_size",        default: 0.0
+    t.integer  "star_count",             default: 0,        null: false
   end
 
   add_index "projects", ["creator_id"], name: "index_projects_on_creator_id", using: :btree
   add_index "projects", ["last_activity_at"], name: "index_projects_on_last_activity_at", using: :btree
   add_index "projects", ["namespace_id"], name: "index_projects_on_namespace_id", using: :btree
+  add_index "projects", ["star_count"], name: "index_projects_on_star_count", using: :btree
 
   create_table "protected_branches", force: true do |t|
     t.integer  "project_id", null: false
@@ -369,6 +371,17 @@ ActiveRecord::Schema.define(version: 20140611135229) do
   add_index "users_projects", ["project_id"], name: "index_users_projects_on_project_id", using: :btree
   add_index "users_projects", ["user_id"], name: "index_users_projects_on_user_id", using: :btree
 
+  create_table "users_star_projects", force: true do |t|
+    t.integer  "project_id", null: false
+    t.integer  "user_id",    null: false
+    t.datetime "created_at"
+    t.datetime "updated_at"
+  end
+
+  add_index "users_star_projects", ["project_id"], name: "index_users_star_projects_on_project_id", using: :btree
+  add_index "users_star_projects", ["user_id", "project_id"], name: "index_users_star_projects_on_user_id_and_project_id", unique: true, using: :btree
+  add_index "users_star_projects", ["user_id"], name: "index_users_star_projects_on_user_id", using: :btree
+
   create_table "web_hooks", force: true do |t|
     t.string   "url"
     t.integer  "project_id"
diff --git a/features/project/star.feature b/features/project/star.feature
new file mode 100644
index 0000000000000000000000000000000000000000..d8d898155feb27c7f0d5acb066eb5d83424e3766
--- /dev/null
+++ b/features/project/star.feature
@@ -0,0 +1,38 @@
+Feature: Project Star
+  Scenario: New projects have 0 stars
+    Given public project "Community"
+    When I visit project "Community" page
+    Then The project has 0 stars
+
+  Scenario: Empty projects show star count
+    Given public empty project "Empty Public Project"
+    When I visit empty project page
+    Then The project has 0 stars
+
+  Scenario: Signed off users can't star projects
+    Given public project "Community"
+    And I visit project "Community" page
+    When I click on the star toggle button
+    Then The project has 0 stars
+
+  @javascript
+  Scenario: Signed in users can toggle star
+    Given I sign in as "John Doe"
+    And public project "Community"
+    And I visit project "Community" page
+    When I click on the star toggle button
+    Then The project has 1 star
+    When I click on the star toggle button
+    Then The project has 0 stars
+
+  @javascript
+  Scenario: Star count sums stars
+    Given I sign in as "John Doe"
+    And public project "Community"
+    And I visit project "Community" page
+    And I click on the star toggle button
+    And I logout
+    And I sign in as "Mary Jane"
+    And I visit project "Community" page
+    When I click on the star toggle button
+    Then The project has 2 stars
diff --git a/features/steps/explore/projects.rb b/features/steps/explore/projects.rb
index 8aa2916014bcfe9380b09a44ad9a47c760659827..dfd51060738ecc5438f5d93e5e2b451ed035535c 100644
--- a/features/steps/explore/projects.rb
+++ b/features/steps/explore/projects.rb
@@ -3,10 +3,6 @@ class Spinach::Features::ExploreProjectsFeature < Spinach::FeatureSteps
   include SharedPaths
   include SharedProject
 
-  step 'public empty project "Empty Public Project"' do
-    create :empty_project, :public, name: 'Empty Public Project'
-  end
-
   step 'I should see project "Empty Public Project"' do
     page.should have_content "Empty Public Project"
   end
@@ -20,16 +16,6 @@ class Spinach::Features::ExploreProjectsFeature < Spinach::FeatureSteps
     page.should have_content 'README.md'
   end
 
-  step 'I visit empty project page' do
-    project = Project.find_by(name: 'Empty Public Project')
-    visit project_path(project)
-  end
-
-  step 'I visit project "Community" page' do
-    project = Project.find_by(name: 'Community')
-    visit project_path(project)
-  end
-
   step 'I should see empty public project details' do
     page.should have_content 'Git global setup'
   end
@@ -48,22 +34,12 @@ class Spinach::Features::ExploreProjectsFeature < Spinach::FeatureSteps
     end
   end
 
-  step 'I visit project "Enterprise" page' do
-    project = Project.find_by(name: 'Enterprise')
-    visit project_path(project)
-  end
-
   step 'I should see project "Community" home page' do
     within '.project-home-title' do
       page.should have_content 'Community'
     end
   end
 
-  step 'I visit project "Internal" page' do
-    project = Project.find_by(name: 'Internal')
-    visit project_path(project)
-  end
-
   step 'I should see project "Internal" home page' do
     within '.project-home-title' do
       page.should have_content 'Internal'
diff --git a/features/steps/project/star.rb b/features/steps/project/star.rb
new file mode 100644
index 0000000000000000000000000000000000000000..11102900ed4e4b4576a95ac130ca81290e98c7fe
--- /dev/null
+++ b/features/steps/project/star.rb
@@ -0,0 +1,29 @@
+class Spinach::Features::ProjectStar < Spinach::FeatureSteps
+  include SharedAuthentication
+  include SharedProject
+  include SharedPaths
+  include SharedUser
+
+  step "The project has 0 stars" do
+    has_n_stars(0)
+  end
+
+  step "The project has 1 star" do
+    has_n_stars(1)
+  end
+
+  step "The project has 2 stars" do
+    has_n_stars(2)
+  end
+
+  # Requires @javascript
+  step "I click on the star toggle button" do
+    page.find(".star .toggle", visible: true).click
+  end
+
+  protected
+
+  def has_n_stars(n)
+    expect(page).to have_css(".star .count", text: /^#{n}$/, visible: true)
+  end
+end
diff --git a/features/steps/shared/authentication.rb b/features/steps/shared/authentication.rb
index b8c11ce0a23d32eb5f80bfda8784e3cfd37568fe..b48021dc146548e42f0470b4a29df38511edd590 100644
--- a/features/steps/shared/authentication.rb
+++ b/features/steps/shared/authentication.rb
@@ -24,6 +24,10 @@ module SharedAuthentication
     current_path.should == new_user_session_path
   end
 
+  step "I logout" do
+    logout
+  end
+
   def current_user
     @user || User.first
   end
diff --git a/features/steps/shared/paths.rb b/features/steps/shared/paths.rb
index a0b4099ab3ed3b065e4080942e712a9e0bbe6e61..111d40c0e1b9c23230a45b0409104f315f28972f 100644
--- a/features/steps/shared/paths.rb
+++ b/features/steps/shared/paths.rb
@@ -319,6 +319,34 @@ module SharedPaths
     visit project_wiki_path(@project, :home)
   end
 
+  # ----------------------------------------
+  # Visibility Projects
+  # ----------------------------------------
+
+  step 'I visit project "Community" page' do
+    project = Project.find_by(name: "Community")
+    visit project_path(project)
+  end
+
+  step 'I visit project "Internal" page' do
+    project = Project.find_by(name: "Internal")
+    visit project_path(project)
+  end
+
+  step 'I visit project "Enterprise" page' do
+    project = Project.find_by(name: "Enterprise")
+    visit project_path(project)
+  end
+
+  # ----------------------------------------
+  # Empty Projects
+  # ----------------------------------------
+
+  step "I visit empty project page" do
+    project = Project.find_by(name: "Empty Public Project")
+    visit project_path(project)
+  end
+
   # ----------------------------------------
   # Public Projects
   # ----------------------------------------
@@ -327,10 +355,6 @@ module SharedPaths
     visit explore_projects_path
   end
 
-  step 'I visit public page for "Community" project' do
-    visit public_project_path(Project.find_by(name: "Community"))
-  end
-
   # ----------------------------------------
   # Public Groups
   # ----------------------------------------
diff --git a/features/steps/shared/project.rb b/features/steps/shared/project.rb
index ddb87daeeb78ed361409ec319def6033d3599f3d..ba6f090a7069dd701765d060095d49d861162660 100644
--- a/features/steps/shared/project.rb
+++ b/features/steps/shared/project.rb
@@ -122,4 +122,12 @@ module SharedProject
     project ||= create :empty_project, :public, name: 'Community', namespace: user.namespace
     project.team << [user, :master]
   end
+
+  # ----------------------------------------
+  # Empty projects
+  # ----------------------------------------
+
+  step 'public empty project "Empty Public Project"' do
+    create :empty_project, :public, name: "Empty Public Project"
+  end
 end
diff --git a/spec/controllers/projects_controller_spec.rb b/spec/controllers/projects_controller_spec.rb
index 944df5314bd04c6e3c9c4fd9196c7340ea9e621b..71bc49787cccdb42b00a3a1f999a2e7b04a7bb6f 100644
--- a/spec/controllers/projects_controller_spec.rb
+++ b/spec/controllers/projects_controller_spec.rb
@@ -2,6 +2,7 @@ require('spec_helper')
 
 describe ProjectsController do
   let(:project) { create(:project) }
+  let(:public_project) { create(:project, :public) }
   let(:user)    { create(:user) }
   let(:jpg)     { fixture_file_upload(Rails.root + 'spec/fixtures/rails_sample.jpg', 'image/jpg') }
   let(:txt)     { fixture_file_upload(Rails.root + 'spec/fixtures/doc_sample.txt', 'text/plain') }
@@ -40,4 +41,22 @@ describe ProjectsController do
       end
     end
   end
+
+  describe "POST #toggle_star" do
+    it "toggles star if user is signed in" do
+      sign_in(user)
+      expect(user.starred?(public_project)).to be_false
+      post :toggle_star, id: public_project.to_param
+      expect(user.starred?(public_project)).to be_true
+      post :toggle_star, id: public_project.to_param
+      expect(user.starred?(public_project)).to be_false
+    end
+
+    it "does nothing if user is not signed in" do
+      post :toggle_star, id: public_project.to_param
+      expect(user.starred?(public_project)).to be_false
+      post :toggle_star, id: public_project.to_param
+      expect(user.starred?(public_project)).to be_false
+    end
+  end
 end
diff --git a/spec/features/issues_spec.rb b/spec/features/issues_spec.rb
index d7f3f3a302c9c04f5fa10f2cec8e107af0c239d4..f0daf081018ed376a06f83e338e226fda9c2788b 100644
--- a/spec/features/issues_spec.rb
+++ b/spec/features/issues_spec.rb
@@ -226,7 +226,7 @@ describe "Issues", feature: true do
         issue.save
       end
 
-      it 'shows assignee text' do
+      it "shows assignee text", js: true do
         logout
         login_with guest
 
@@ -262,7 +262,7 @@ describe "Issues", feature: true do
         issue.save
       end
 
-      it 'shows milestone text' do
+      it "shows milestone text", js: true do
         logout
         login_with guest
 
diff --git a/spec/models/project_spec.rb b/spec/models/project_spec.rb
index c3263ed0fe79c91876f8e3a0a65dbe5b19e0b94c..bc537b7312b94c038129bc4910bfa27df09a46f9 100644
--- a/spec/models/project_spec.rb
+++ b/spec/models/project_spec.rb
@@ -240,4 +240,73 @@ describe Project do
     it { project.open_branches.map(&:name).should include('bootstrap') }
     it { project.open_branches.map(&:name).should_not include('master') }
   end
+
+  describe '#star_count' do
+    it 'counts stars from multiple users' do
+      user1 = create :user
+      user2 = create :user
+      project = create :project, :public
+
+      expect(project.star_count).to eq(0)
+
+      user1.toggle_star(project)
+      expect(project.reload.star_count).to eq(1)
+
+      user2.toggle_star(project)
+      project.reload
+      expect(project.reload.star_count).to eq(2)
+
+      user1.toggle_star(project)
+      project.reload
+      expect(project.reload.star_count).to eq(1)
+
+      user2.toggle_star(project)
+      project.reload
+      expect(project.reload.star_count).to eq(0)
+    end
+
+    it 'counts stars on the right project' do
+      user = create :user
+      project1 = create :project, :public
+      project2 = create :project, :public
+
+      expect(project1.star_count).to eq(0)
+      expect(project2.star_count).to eq(0)
+
+      user.toggle_star(project1)
+      project1.reload
+      project2.reload
+      expect(project1.star_count).to eq(1)
+      expect(project2.star_count).to eq(0)
+
+      user.toggle_star(project1)
+      project1.reload
+      project2.reload
+      expect(project1.star_count).to eq(0)
+      expect(project2.star_count).to eq(0)
+
+      user.toggle_star(project2)
+      project1.reload
+      project2.reload
+      expect(project1.star_count).to eq(0)
+      expect(project2.star_count).to eq(1)
+
+      user.toggle_star(project2)
+      project1.reload
+      project2.reload
+      expect(project1.star_count).to eq(0)
+      expect(project2.star_count).to eq(0)
+    end
+
+    it 'is decremented when an upvoter account is deleted' do
+      user = create :user
+      project = create :project, :public
+      user.toggle_star(project)
+      project.reload
+      expect(project.star_count).to eq(1)
+      user.destroy
+      project.reload
+      expect(project.star_count).to eq(0)
+    end
+  end
 end
diff --git a/spec/models/user_spec.rb b/spec/models/user_spec.rb
index a36b57a95de8d41eadf2a24dd25fe3c10b7be71e..ef6b8a94502b298d7052791e03fbff594928baf5 100644
--- a/spec/models/user_spec.rb
+++ b/spec/models/user_spec.rb
@@ -355,4 +355,44 @@ describe User do
       expect(user.short_website_url).to eq 'test.com'
     end
   end
+
+  describe "#starred?" do
+    it "determines if user starred a project" do
+      user = create :user
+      project1 = create :project, :public
+      project2 = create :project, :public
+
+      expect(user.starred?(project1)).to be_false
+      expect(user.starred?(project2)).to be_false
+
+      star1 = UsersStarProject.create!(project: project1, user: user)
+      expect(user.starred?(project1)).to be_true
+      expect(user.starred?(project2)).to be_false
+
+      star2 = UsersStarProject.create!(project: project2, user: user)
+      expect(user.starred?(project1)).to be_true
+      expect(user.starred?(project2)).to be_true
+
+      star1.destroy
+      expect(user.starred?(project1)).to be_false
+      expect(user.starred?(project2)).to be_true
+
+      star2.destroy
+      expect(user.starred?(project1)).to be_false
+      expect(user.starred?(project2)).to be_false
+    end
+  end
+
+  describe "#toggle_star" do
+    it "toggles stars" do
+      user = create :user
+      project = create :project, :public
+
+      expect(user.starred?(project)).to be_false
+      user.toggle_star(project)
+      expect(user.starred?(project)).to be_true
+      user.toggle_star(project)
+      expect(user.starred?(project)).to be_false
+    end
+  end
 end
diff --git a/spec/support/login_helpers.rb b/spec/support/login_helpers.rb
index 7713e9f17d7257179896c9628c110686c0aa00e3..238ac7c6611a4637568562e6a17639ba6aea0f7b 100644
--- a/spec/support/login_helpers.rb
+++ b/spec/support/login_helpers.rb
@@ -19,7 +19,8 @@ module LoginHelpers
     Thread.current[:current_user] = user
   end
 
+  # Requires Javascript driver.
   def logout
-    click_link "Logout" rescue nil
+    page.find(:css, ".icon-signout").click
   end
 end