Demi Lovato joins X Factor USA judges on stage 14525
Demi Lovato joins X Factor USA judges on stage 14526
Demi Lovato joins X Factor USA judges on stage 14527
Demi Lovato joins X Factor USA judges on stage 14528
Demi Lovato joins X Factor USA judges on stage 14529
Demi Lovato joins X Factor USA judges on stage 14530
Demi Lovato joins X Factor USA judges on stage 14531
Demi Lovato joins X Factor USA judges on stage 14532
Demi Lovato joins X Factor USA judges on stage 14533
Demi Lovato joins X Factor USA judges on stage 14534
Demi Lovato joins X Factor USA judges on stage 14535
Demi Lovato joins X Factor USA judges on stage 14536