Corey Haim had it all as a teenager—hits, fame, and nonstop attention. But behind the scenes, things were already slipping. What looked like a dream quickly turned into something much darker, and his life drifted further from the one fans thought they knew.

There has never been another actor quite like Steve McQueen. From his tough-guy looks to his penchant for fast cars and dangerous stunts, McQueen lived a life as fast and hard as any of the characters he played on screen. So, what kind of life shapes a man like Steve McQueen? Turns out, this legendary actor lived through a lot.

They don't make unhinged celebs like they used to, but at least we've still got Charlie Sheen. We can all remember the 2011 meltdown when he lost the highest-paying job on TV despite his "tiger blood" and "Adonis DNA". But the train wreck that is Charlie Sheen went off the rails long before 2011—and to be honest, it continues to this day.