Charlie Sheen, Christina Aguilera & More 2011 Celebrity Meltdowns (Photos)

It’s been a year of meltdowns in Hollywood. From Charlie Sheen ‘winning’ with his tiger blood-fueled antics to Brett Ratner losing his hosting gig at The Academy Awards to Christina Aguilera bungling “The Star-Spangled Banner” at the Super Bowl, see these and more of the year’s craziest celebrity meltdowns.