Demi Lovato joins X Factor USA judges on stage 09513
Demi Lovato joins X Factor USA judges on stage 09514
Demi Lovato joins X Factor USA judges on stage 09515
Demi Lovato joins X Factor USA judges on stage 09516
Demi Lovato joins X Factor USA judges on stage 09517
Demi Lovato joins X Factor USA judges on stage 09518
Demi Lovato joins X Factor USA judges on stage 09519
Demi Lovato joins X Factor USA judges on stage 09520
Demi Lovato joins X Factor USA judges on stage 09521
Demi Lovato joins X Factor USA judges on stage 09522
Demi Lovato joins X Factor USA judges on stage 09523
Demi Lovato joins X Factor USA judges on stage 09524