• DEMI LOVATO photo | Demi Lovato

Credit: Kevin Mazur/WireImage

Published: Sunday July 22, 2012 20:30 PM EDT



She's ready for battle! The night's cohost and a nominee, Demi stands tall in a glimmering, feathered dress (somewhat reminiscent of her first X Factor frock) plus mega-heels, Loree Rodkin gems and a super-high ponytail. "Can't wait to whip my hair back and forth!!!" she Tweeted before the show.