Melt Cosmetics By Starlight is a cool purple with a matte finish that is permanent and retails for $19.00. In comparison, Obsessive Compulsive Cosmetics Belladonna is a cool purple with a cream finish that is discontinued and retails for $18.00.
Obsessive Compulsive Cosmetics Belladonna is 85% similar — it is lighter, brighter, glossier.