Demi Lovato joins X Factor USA judges on stage 06501
Demi Lovato joins X Factor USA judges on stage 06502
Demi Lovato joins X Factor USA judges on stage 06503
Demi Lovato joins X Factor USA judges on stage 06504
Demi Lovato joins X Factor USA judges on stage 06505
Demi Lovato joins X Factor USA judges on stage 06506
Demi Lovato joins X Factor USA judges on stage 06507
Demi Lovato joins X Factor USA judges on stage 06508
Demi Lovato joins X Factor USA judges on stage 06509
Demi Lovato joins X Factor USA judges on stage 06510
Demi Lovato joins X Factor USA judges on stage 06511
Demi Lovato joins X Factor USA judges on stage 06512