•  photo | Demi Lovato, Simon Cowell

Credit: Courtesy The X Factor

Published: Friday July 27, 2012 06:00 AM EDT


"I've been working with her for the past few weeks, and she is annoying, obnoxious, disruptive. Did I say irritating? Yes, annoying, very annoying."
X Factor judge Simon Cowell, taking a mock jab at fellow judge Demi Lovato, during her hosting gig at the Teen Choice Awards