Demi Lovato Kicks Off Jingle Ball 2011
At Z100's Jingle Ball 2011 Official Kick-Off Party in NYC, the star-studded line-up was announced for the radio station's annual holiday concert, including a special performance by Demi Lovato.
Other performers include Lady Gaga, Pitbull, LMFAO, Kelly Clarkson, and Foster the People, while special guest hosts will be Kim and Khloé Kardashian Odom, along with Lamar Odom and Karmin.
Lovato took the stage at the kick-off party singing some of her hit singles. Watch!