Demi Lovato joins X Factor USA judges on stage 15469
Demi Lovato joins X Factor USA judges on stage 15470
Demi Lovato joins X Factor USA judges on stage 15471
Demi Lovato joins X Factor USA judges on stage 15472
Demi Lovato joins X Factor USA judges on stage 15473
Demi Lovato joins X Factor USA judges on stage 15474
Demi Lovato joins X Factor USA judges on stage 15475
Demi Lovato joins X Factor USA judges on stage 15476
Demi Lovato joins X Factor USA judges on stage 15477
Demi Lovato joins X Factor USA judges on stage 15478
Demi Lovato joins X Factor USA judges on stage 15479
Demi Lovato joins X Factor USA judges on stage 15480