Demi Lovato joins X Factor USA judges on stage 17469
Demi Lovato joins X Factor USA judges on stage 17470
Demi Lovato joins X Factor USA judges on stage 17471
Demi Lovato joins X Factor USA judges on stage 17472
Demi Lovato joins X Factor USA judges on stage 17473
Demi Lovato joins X Factor USA judges on stage 17474
Demi Lovato joins X Factor USA judges on stage 17475
Demi Lovato joins X Factor USA judges on stage 17476
Demi Lovato joins X Factor USA judges on stage 17477
Demi Lovato joins X Factor USA judges on stage 17478
Demi Lovato joins X Factor USA judges on stage 17479
Demi Lovato joins X Factor USA judges on stage 17480