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

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

  • KELLY OSBOURNE
 photo | Christina Aguilera, Kelly Osbourne

Credit: Russ Elliot/AdMedia/Retna; X17online

Updated: Wednesday May 09, 2012 | 06:00 PM EDT By: Kiran Hefa

KELLY OSBOURNE

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."