Mel Gibson. Lindsay Lohan. Robert Blake.
Their public problems have affected their careers.
Charlie Sheen is now in that same spotlight. But will it burn him or will he bask in it?
In a "20/20" moment that did not air on Tuesday night's show, ABC correspondent Andrea Canning asked Sheen what advice he would give himself as a little boy.
"Don't believe any of these lies, man," Sheen said. "Don't wear the cloak of oppression that they're going to put on you. It's never going to fit. It's always going to itch. It's always going feel completely wrong.
"I was trapped in a straight jacket of moral terror. So I'd advise him to just take that thing and just make it go away."
A decade ago, Robert Downey Jr. was in trouble following years of drug problems.
Now Downey Jr. is at the top of his game with his wife, Susan, there to help keep him strong.
The two were all smiles at Sunday's Academy Awards.
After the 2009 Oscars, Chris Brown was arrested for beating his then girlfriend, Rihanna.
He's still press shy today, but when he appears on a big red carpet, his fans go wild.
After seemingly spiraling out of control, Britney Spears is still not in control of her life.
There's a hearing Wednesday afternoon over her father's conservatorship powers over her money.
Danny Trejo who recently starred in "Machete" was a child drug addict and criminal who spent 11 years in prison.
Now, he gives back.
"The thing that I like doing is going back and telling the guys that are still there, 'Hey, you don't have to do this' and telling the kids in high school, 'Look, this is the road you're on,'" Trejo has said.
Trejo says it's a blessing to be where he's at now.