Will Demi Lovato Come Back for X Factor 2013? (VIDEO) Tweet December 7, 2012 at 12:51PM EST by Whitney Ricketts Related: The X Factor, Demi Lovato Credit: 5Min Demi Lovato is our favorite X Factor Season 2 mentor. She's funny, she's spunky, and she's good to her mentees. So — will the singer return for the show's third season? Check out her answer.