The show, which was taped in early December, features performances from Selena Gomez, Sean Kingston, Amber Riley, Lee DeWyze, Mariah Carey, Darius Rucker and marching bands from various schools and community groups across the United States.
Demi Lovato has avoided a messy court battle, agreeing to an out-of-court settlement with a former back-up dancer who threatened to sue the Disney star for allegedly punching her.