Michael J. Fox had a drinking problem before he was diagnosed with Parkinson’s disease, but has stopped drinking and works tirelessly to advocate for research for the disease.

Nick Nolte was arrested for DUI in September in Malibu, California and checked into rehab shortly after in Connecticut.

Ben Affleck entered rehab in 2001 for alcohol abuse and remained sober for almost a decade, but RadarOnline.com exclusively reported that he was spotted drinking vodka at the Sundance Film Festival in January 2010.

Melanie Griffith struggled with drugs and alcohol and entered rehab in 2000 and again in August 2009 for her substance abuse problems.

Ewan McGregor has said he was a functioning alcoholic, but gave up drinking in 2000.

Jamie Lee Curtis has an alcohol and pain killers addiction but got sober in 1999 and says that is the greatest achievement of her life.

Lindsay Lohan was arrested twice for DUI in 2007, has gone to rehab three times, and currently is wearing a court ordered SCRAM bracelet to detect alcohol in her system. The bracelet showed evidence of alcohol in her system on June 8, 2010.

Diana Ross checked into Promises rehab in Malibu in 2002 for her drinking problem.

Mel Gibson’s infamous DUI arrest in 2006 where he made anti-Semitic remarks to the police officer led to his checking into rehab for his alcohol addiction.

Johnny Depp admitted that he had a serious alcohol addiction that was ruining his life but he quit drinking and improved his life.

David Hasselhoff refuses to admit that he has a serious alcohol addiction and despite having been rushed to the emergency room because of excessive drinking numerous times.