Robert Downey Jr.

Floppy yet styled 'do? Check. Groomed facial hair? Check. Sexy brooding expressions? Double check. We spent the entirety of 'Watchmen' marveling at how much Robert Downey Jr. beefed up for his role -- but the joke was on us, because it was really Jeffrey Dean Morgan the whole time.

In a town where no one ever hears "no," it's no wonder why some celebrities have a tough time with addiction. However, along with fame, power and enablers come the resources to kick bad habits and get clean. Here are 10 celebs who sobered up and soared to superstardom after getting help by taking it one day and one step at a time...

Hollywood has its fair share of lovable bad boys. Although

We can always count on celebrities to say things in public that many people would only be comfortable revealing to a best friend (if that). Whether it's intimate details about their sex lives or personal grooming habits, we're guessing the stars below are just so accustomed to having cameras and mics in their faces that they simply forget -- or just don't care -- they're always on the record. Rea

Things are going well for the super-heroic hunks of Hollywood, with 'Iron Man' portrayer Robert Downey Jr., White House savior Channing Tatum and Wolverine himself -- Hugh Jackman -- landing the top three spots on the list of Tinseltown's highest paid actors.

Eighteen-month old 'Iron Man' fan Jaxson Denno's world was shattered when, much to his dismay, he discovered that Iron Man himself, Robert Downey Jr., does not wear the Iron Man suit 24/7.

What would happen if Justin Timberlake were Iron Man? Or, more accurately, if Robert Downey Jr. (who is pretty much just Iron Man these days) performed JT's 'Suit and Tie' as Tony Stark -- complete with hilarious new lyrics? Answer: It would be our new favorite parody.

A group of children who helped out in the aftermath of Hurricane Sandy got a special surprise during an advanced 'Iron Man 3' screening on Monday, April 29, when star Robert Downey Jr. showed up to thank them for their hard work.

Robert Downey Jr. is no stranger to warming our hearts and making us laugh (seriously, we're pretty sure that man has ad libbed every single film he's ever been in), but he really got us when he showed up to the German photocall for 'Iron Man 3' wearing ... lederhosen. Never has a man looked so good in a neckerchief and green socks.

Robert Downey Jr.'s storied past as a substance user resulted in a lot of mugshots, but this one was taken in 2000 after he was arrested in Palm Springs for drug possession.

Robert Downey Jr. has quickly become one of America’s most beloved comic book heroes with his intelligent and quick-witted turn as Marvel’s 'Iron Man' (aka Tony Stark), appearing in two namesake films and in ‘The Avengers.’ We’ll also never forget his place in John Hughes history as Ian in ‘Weird Science...