Why Cher Is Nervous To Be A Guest Judge On 'DWTS'

Cher is terrified to guest judge "Dancing With The Stars" . In fact, the superstar doesn't even think she's qualified to be judging the show, even though her son Chaz Bono was a contestant on Season 13, her aunt and uncle were both ballroom dancers, and -- let's be real -- she's freakin' Cher. "I don't know anything about ballroom dancing," she admitted on a conference call on Friday. "I don't want to be responsible for someone getting a different mark than a professional would give them. I like...