Most Infamous Moment: At just 13 years old, Drew already had two stints in drug rehabilitation centers. She began using cocaine at the ripe old age of 12.

Though she’s now a bona fide international megastar, Drew Barrymore earned her rightful place on this list at an early age. As a pre teen, Drew was inexplicably let into Los Angeles nightclubs, where she'd regularly be seen boozing and dancing the night away. While most little girls her age were going through puberty, Drew was going through liquor cabinets.