32. Carrie Fisher
Most Infamous Moment: In 2010, she confessed that she did cocaine on the set of Star Wars: The Empire Strikes Back atop the film's Ice Planet.
In the late aughts, Fisher admitted to battling with bipolar disorder and drug addiction in her book and stand-up show Wishful Drinking. The original Princess Leia claimed that she did so much blow that John Belushi even told her she had a problem, which apparently surprised her. Yeah, when you have one of the most famous drug addicts in Hollywood telling you to calm down, you know you've got to reevaluate your life choices.