ColourPop Estrella (She's Got Solstice) is a warm pink with a frost finish that is limited edition and retails for $4.50. In comparison, ColourPop Sing-a-Song is a warm pink with a metallic finish that is limited edition and retails for $4.50.
ColourPop Sing-a-Song is 90% similar — it is more shimmery, darker, cooler.
