Demi Lovato joins X Factor USA judges on stage 01501
Demi Lovato joins X Factor USA judges on stage 01502
Demi Lovato joins X Factor USA judges on stage 01503
Demi Lovato joins X Factor USA judges on stage 01504
Demi Lovato joins X Factor USA judges on stage 01505
Demi Lovato joins X Factor USA judges on stage 01506
Demi Lovato joins X Factor USA judges on stage 01507
Demi Lovato joins X Factor USA judges on stage 01508
Demi Lovato joins X Factor USA judges on stage 01509
Demi Lovato joins X Factor USA judges on stage 01510
Demi Lovato joins X Factor USA judges on stage 01511
Demi Lovato joins X Factor USA judges on stage 01512