ColourPop IRL is a warm duochrome with a sparkle finish that is limited edition and retails for $6.00. In comparison, Anastasia B2 (Norvina Mini Vol. 1) is a warm duochrome with a metallic finish that is limited edition and retails for $12.00.
Anastasia B2 (Norvina Mini Vol. 1) is 80% similar — it is less shimmery, lighter, cooler.