Demi Lovato joins X Factor USA judges on stage 10501
Demi Lovato joins X Factor USA judges on stage 10502
Demi Lovato joins X Factor USA judges on stage 10503
Demi Lovato joins X Factor USA judges on stage 10504
Demi Lovato joins X Factor USA judges on stage 10505
Demi Lovato joins X Factor USA judges on stage 10506
Demi Lovato joins X Factor USA judges on stage 10507
Demi Lovato joins X Factor USA judges on stage 10508
Demi Lovato joins X Factor USA judges on stage 10509
Demi Lovato joins X Factor USA judges on stage 10510
Demi Lovato joins X Factor USA judges on stage 10511
Demi Lovato joins X Factor USA judges on stage 10512