Demi Lovato Signs on to Judge 'X Factor'

Demi Lovato has officially signed her deal and will be a judge on the next season of "The X Factor" ... TMZ has learned.According to our sources, Demi will be in NYC tomorrow for the FOX Up Fronts to announce her joining the show. Demi is…

Source: http://www.tmz.com/2012/05/13/demi-lovato-x-factor-judge/

Janet Jackson January Jones Jennie Finch Jennifer Aniston Jennifer Gareis Jennifer Garner