Britney Spears and Demi Lovato Cut LooseGlamour shots! Terrorizing Simon Cowell! The judges share personal pics from backstage at X Factor and more
Credit: Courtesy Demi Lovato
Updated: Tuesday Nov 06, 2012 | 06:00 AM EST By: Cara Lynn Shultz
More from PEOPLE
- Justin Timberlake Wishes His 'Bad-Ass' Wife Jessica Biel Happy Birthday with a Cute Instagram
- The Best Photos from the Week of Feb. 23- Mar. 1, 2015
- Michelle Williams on Being a Single Mom in Show Business: I'm Exhausted!
- Saved by the Bell's Tiffani Thiessen and Elizabeth Berkley Reunite Again
- Cameron Diaz: Don't Deprive Yourself of That Piece of Cake!