Photo SpecialWhose Side Are You On? Christina Aguilera vs. ...
From The Wanted to Kelly Osbourne, see who's hit a sour note with the singer
Credit: Kevin Winter/Getty; Steve Marcus/Reuters/Landov
Updated: Wednesday May 09, 2012 | 06:00 PM EDT By: Kiran Hefa
More from PEOPLE
- Rocking the Vote: Every Time the KarJenners Have Chimed in on Political Issues
- Read the Cover Story: Brad & Angelina Split After 12 Years: It's Over
- FROM EW: Watch Drake's Views Companion Piece, Short Film Please Forgive Me
- Usain Bolt And David Beckham Share A Starstruck Moment: 'No Caption Needed'
- 17 Creative Ways to Dress Like Food for Halloween