Pictures Celebrity Meltdowns March 14, 2011 / 12:11 PM EDT / CBS News Credit: Charley Gallay/Getty Images Mariah Carey Credit: Pascal Le Segretain/Getty Images Britney Spears Credit: Ethan Miller/Getty Images Naomi Campbell Credit: Andreas Rentz/Getty Images Whitney Houston Credit: Stephen Lovekin/Getty Images Charlie Sheen Credit: Riccardo S. Savi/Getty Images Russell Crowe Credit: Mike Flokis/Getty Images Alec Baldwin Credit: Kris Connor/Getty Images David Hasselhoff Credit: Angela Weiss/Getty Images Kirstie Alley Credit: Stephen Lovekin/Getty Images Kanye West Credit: Christopher Polk/Getty Images Joaquin Phoenix Credit: Michael Loccisano/Getty Images Mel Gibson Credit: handout/Getty Images Amy Winehouse Credit: Ian Gavan/Getty Images Paris Hilton Credit: handout/Getty Images Nicole Richie Credit: handout/Getty Images Mischa Barton Credit: handout/Getty Images Lindsay Lohan Credit: handout/Getty Images Courtney Love Credit: Jason Merritt; Getty Images Christian Slater Credit: Athit Perawongmetha/Getty Images Heather Locklear Credit: Jason Merritt/Getty Images Tyra Banks Credit: AFP/Getty Images Isaiah Washington Credit: Mike Coppola/Getty Images Carrie Fisher Credit: Andrew H. Walker/Getty Images