Marc Jacobs Beauty Happy Ending (116) is a cool fuchsia with a luminous finish that is discontinued and retails for $30.00. In comparison, Urban Decay Sheer Bittersweet is a cool fuchsia with a luminous finish that is discontinued and retails for $22.00.
Urban Decay Sheer Bittersweet is 85% similar — it is darker, more muted, less pigmented, glossier.