Joan Rivers has survived getting kicked off late night, a feud with Johnny Carson, and the death of her husband. In light of her recent hospitalization, ET is looking back at the moments that made Joan the ultimate survivor.
Go Behind the Scenes of 'Saved by the Bell' in 1989
'The Unauthorized Saved by the Bell Story' airs Monday night on Lifetime and is said to reveal what REALLY happened behind the scenes of the hit show. But is there another side to this story?
Following the alleged bust-up between Chris Brown and Drake's entourages, here's a look at a few other famous celeb rivalries! Mariah and Eminem, Kim Kardashian and Jon Hamm, Jen Aniston and Angelina Jolie, Jon Stewart and Glenn Beck.