Demi Lovato joins X Factor USA judges on stage 32422
Demi Lovato joins X Factor USA judges on stage 32423
Demi Lovato joins X Factor USA judges on stage 32424
Demi Lovato joins X Factor USA judges on stage 32425
Demi Lovato joins X Factor USA judges on stage 32426
Demi Lovato joins X Factor USA judges on stage 32427
Demi Lovato joins X Factor USA judges on stage 32428
Demi Lovato joins X Factor USA judges on stage 32429
Demi Lovato joins X Factor USA judges on stage 32430
Demi Lovato joins X Factor USA judges on stage 32431
Demi Lovato joins X Factor USA judges on stage 32432
Demi Lovato joins X Factor USA judges on stage 32433