Demi Lovato joins X Factor USA judges on stage 08483
Demi Lovato joins X Factor USA judges on stage 08484
Demi Lovato joins X Factor USA judges on stage 08485
Demi Lovato joins X Factor USA judges on stage 08486
Demi Lovato joins X Factor USA judges on stage 08487
Demi Lovato joins X Factor USA judges on stage 08488
Demi Lovato joins X Factor USA judges on stage 08489
Demi Lovato joins X Factor USA judges on stage 08490
Demi Lovato joins X Factor USA judges on stage 08491
Demi Lovato joins X Factor USA judges on stage 08492
Demi Lovato joins X Factor USA judges on stage 08493
Demi Lovato joins X Factor USA judges on stage 08494