There's no denying that Drew Barrymore loves her makeup. Over the years, her eye shadow hues have run the gamut from pure white to fluorescent yellow, and she is just as daring with her lip looks and hair color. Drew manifests her love of makeup in her cosmetics collection, Flower Beauty, and is always passing out her secrets. Drew turns 40 today, but she's still got the same love of cosmetics as a teenager. Don't believe us? Keep reading to review her best red carpet moments as she grew from child star to business mogul.