Demi Lovato arrives at the "The X Factor" season finale results show at CBS Television City on Thursday, Dec. 20, 2012, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)

 

              Demi Lovato arrives at the "The X Factor" season finale results show at CBS Television City on Thursday, Dec. 20, 2012, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)
Demi Lovato arrives at the "The X Factor" season finale results show at CBS Television City on Thursday, Dec. 20, 2012, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)