Matthew Perry (AKA Chandler Bing) has been very candid about his struggles with a pain pill and alcohol addiction. According to Page Six, the former "Friends" funny guy has been in rehab twice — once in 1997 and again in 2001.

Matthew Perry

Jennifer Aniston and Brad Pitt divorced in 2005, amid rumors that Pitt had hooked up with his co-star, Angelina Jolie, while filming "Mr. & Mrs. Smith". Even after all these years, it seems no matter what Pitt claims, lots of people think he wronged Aniston.

Jennifer aniston

David Schwimmer revealed that becoming an instant celebrity due to "Friends" wasn't all it was cracked up to be. "It was pretty jarring and it messed with my relationship to other people in a way that took years [...] for me to adjust to and become comfortable with," Schwimmer said.

David Schwimmer

Speaking with the Mirror, Matt LeBlanc, who played carefree Joey Tribbiani, said the show's incredible success created a situation where he could "barely leave the house" because he felt completely burned out. "It was a very dark time," he said, "I almost had a nervous breakdown."

Matt leblanc

Lisa kudrow

In 2014, a jury found Lisa Kudrow in breach of contract after a legal dispute with former manager Scott Howard. He claimed that Kudrow, who played Phoebe Buffay, owed him residuals from when he managed her — and the jury foreman Steve de Bode wrote a bizarre apology for the verdict.