Demi Lovato Is Leaving X Factor--Who Should Replace Her?

Demi Lovato is definitely leaving X Factor after this season to move on to bigger and better things (although no word yet on when she's going to ditch the blue hair).

The Tonight Show with Jay Leno - Season 22

Simon Cowell confirmed that she would not be returning as a judge on X Factor last night. Her fans have mixed emotions about her departure from the show.

So yes, some people are sad to see her go, however, leaving the show means Demi would have more time to sing.