Entertainment Celebrity Meltdowns March 8, 2011 / 12:43 PM PST / CBS News Britney Spears Naomi Campbell Whitney Houston Charlie Sheen (credit: Riccardo S. Savi/Getty Images) Christina Aguilera Russell Crowe Christian Bale Alec Baldwin David Hasselhoff Kirstie Alley Kanye West Mel Gibson Joaquin Phoenix Paula Abdul Amy Winehouse Paris Hilton Nicole Richie Mischa Barton Winona Ryder Lindsay Lohan Speidi Chris Brown Courtney Love Bobby Brown Christian Slater Robert Downey, Jr. Mickey Rourke Sean Penn Andy Dick Heather Locklear Kate Moss Jessica Simpson Clay Aiken Michael Richards Tyra Banks Isaiah Washington Dave Chapelle Tom Cruise Katie Holmes Shannen Doherty Meg Ryan Jude Law Owen Wilson John Mayer Martin Lawrence Serena Williams Carrie Fisher Sarah Ferguson Ashlee Simpson