ColourPop Stella is a warm orange with a sparkle finish that is limited edition and retails for $10.00. In comparison, MAC Viva Glam Taraji P. Henson 2 is a warm gold with a sparkle finish that is limited edition and retails for $21.00.
MAC Viva Glam Taraji P. Henson 2 is 90% similar — it is lighter, more pigmented.