ColourPop Dear Diary (Lizzie Mcguire) is a warm green with a metallic finish that is limited edition and retails for $4.50. In comparison, ColourPop Heartthrob is a warm green with a sparkle finish that is limited edition and retails for $9.00.
ColourPop Heartthrob is 85% similar — it is more shimmery, cooler.
