Whose Side Are You On? Christina Aguilera vs. ...

From The Wanted to Kelly Osbourne, see who's hit a sour note with the singer


The Fashion Police host pulled no punches when she publicly called the singer fat. "She called me fat for years," Osbourne told Glamour. "I said, 'F––– you, now you're fat, too! ... Now you know how it feels!" During a recent Watch What Happens Live appearance, however, Osbourne seemed ready to bury the hatchet. "I think she's looking way better right now," she said of her former feud mate. "She's got a great voice and she's got a beautiful son."