Demi Lovato joins X Factor USA judges on stage 27501
Demi Lovato joins X Factor USA judges on stage 27502
Demi Lovato joins X Factor USA judges on stage 27503
Demi Lovato joins X Factor USA judges on stage 27504
Demi Lovato joins X Factor USA judges on stage 27505
Demi Lovato joins X Factor USA judges on stage 27506
Demi Lovato joins X Factor USA judges on stage 27507
Demi Lovato joins X Factor USA judges on stage 27508
Demi Lovato joins X Factor USA judges on stage 27509
Demi Lovato joins X Factor USA judges on stage 27510
Demi Lovato joins X Factor USA judges on stage 27511
Demi Lovato joins X Factor USA judges on stage 27512