MAC Love's a Gamble is a warm pink with a metallic finish that is limited edition and retails for $19.00. In comparison, Too Faced Shimmering Marshmallow Bunny is a warm pink with a frost finish that is discontinued and retails for $22.00.
Too Faced Shimmering Marshmallow Bunny is 90% similar — it is less shimmery, darker, warmer.