Demi Lovato joins X Factor USA judges on stage 10470
Demi Lovato joins X Factor USA judges on stage 10471
Demi Lovato joins X Factor USA judges on stage 10472
Demi Lovato joins X Factor USA judges on stage 10473
Demi Lovato joins X Factor USA judges on stage 10474
Demi Lovato joins X Factor USA judges on stage 10475
Demi Lovato joins X Factor USA judges on stage 10476
Demi Lovato joins X Factor USA judges on stage 10477
Demi Lovato joins X Factor USA judges on stage 10478
Demi Lovato joins X Factor USA judges on stage 10479
Demi Lovato joins X Factor USA judges on stage 10480
Demi Lovato joins X Factor USA judges on stage 10481