Demi Lovato Wows The Wiltern Theater

Demi Lovato rocks out at the Wiltern Theater in Los Angeles on Monday evening.

The 16-year-old starlet sang her first single, “Get Back” and BFF Selena Gomez and The Jonas Brothers are rumored to have watched from backstage.

Demi will be premiering the music video for her second single, “La La Land”, during the showing of her hit movie, Camp Rock, on Friday, December 19th @ 8PM ET/PT on Disney Channel. The video will feature all of her new castmates from Sonny With A Chance.

10+ pics inside of Demi Lovato at the Wiltern Theater…