Demi Lovato joins X Factor USA judges on stage 18501
Demi Lovato joins X Factor USA judges on stage 18502
Demi Lovato joins X Factor USA judges on stage 18503
Demi Lovato joins X Factor USA judges on stage 18504
Demi Lovato joins X Factor USA judges on stage 18505
Demi Lovato joins X Factor USA judges on stage 18506
Demi Lovato joins X Factor USA judges on stage 18507
Demi Lovato joins X Factor USA judges on stage 18508
Demi Lovato joins X Factor USA judges on stage 18509
Demi Lovato joins X Factor USA judges on stage 18510
Demi Lovato joins X Factor USA judges on stage 18511
Demi Lovato joins X Factor USA judges on stage 18512