Demi Lovato joins X Factor USA judges on stage 13501
Demi Lovato joins X Factor USA judges on stage 13502
Demi Lovato joins X Factor USA judges on stage 13503
Demi Lovato joins X Factor USA judges on stage 13504
Demi Lovato joins X Factor USA judges on stage 13505
Demi Lovato joins X Factor USA judges on stage 13506
Demi Lovato joins X Factor USA judges on stage 13507
Demi Lovato joins X Factor USA judges on stage 13508
Demi Lovato joins X Factor USA judges on stage 13509
Demi Lovato joins X Factor USA judges on stage 13510
Demi Lovato joins X Factor USA judges on stage 13511
Demi Lovato joins X Factor USA judges on stage 13512