NARS L'Amour, Toujours L'Amour #6 is a warm copper with a frost finish that is discontinued and retails for $25.00. In comparison, ColourPop Ditchin' U is a warm copper with a sparkle finish that is limited edition and retails for $4.50.
ColourPop Ditchin' U is 80% similar — it is more shimmery, darker, cooler.