Pop’s resident badass Rihanna said it best: "It’s easy for a good girl to go bad." and there are few better things than a fling with a black-hearted fellow to signal to the world that an otherwise thoughtful woman has a weakness for the wicked. Luckily, Hollywood has never flagged in its ability to churn out eligible male celebrities with unwieldy egos and bad tempers. These women, talented though they may be, have historically lacked the skill of choosing nice guys, but we love them anyway. Ladies, did we mention that we’re getting a Harley?