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
- Newborn Found in Manger of New York Nativity Church Nativity Scene
- Read the Cover Story: Adele’s Triumphant Return: How Love Changed Her Life
- Mother of Baby Allegedly Abandoned at Nativity Scene Identified, Will Not Face Charges
- What Are the Best Super Bowl Commercials Ever?
- Give Thanks These 2015 Celebrity Hoaxes Were Fake