Demi Lovato joins X Factor USA judges on stage 21501
Demi Lovato joins X Factor USA judges on stage 21502
Demi Lovato joins X Factor USA judges on stage 21503
Demi Lovato joins X Factor USA judges on stage 21504
Demi Lovato joins X Factor USA judges on stage 21505
Demi Lovato joins X Factor USA judges on stage 21506
Demi Lovato joins X Factor USA judges on stage 21507
Demi Lovato joins X Factor USA judges on stage 21508
Demi Lovato joins X Factor USA judges on stage 21509
Demi Lovato joins X Factor USA judges on stage 21510
Demi Lovato joins X Factor USA judges on stage 21511
Demi Lovato joins X Factor USA judges on stage 21512