Demi Lovato joins X Factor USA judges on stage 11525
Demi Lovato joins X Factor USA judges on stage 11526
Demi Lovato joins X Factor USA judges on stage 11527
Demi Lovato joins X Factor USA judges on stage 11528
Demi Lovato joins X Factor USA judges on stage 11529
Demi Lovato joins X Factor USA judges on stage 11530
Demi Lovato joins X Factor USA judges on stage 11531
Demi Lovato joins X Factor USA judges on stage 11532
Demi Lovato joins X Factor USA judges on stage 11533
Demi Lovato joins X Factor USA judges on stage 11534
Demi Lovato joins X Factor USA judges on stage 11535
Demi Lovato joins X Factor USA judges on stage 11536