Demi Lovato joins X Factor USA judges on stage 32501
Demi Lovato joins X Factor USA judges on stage 32502
Demi Lovato joins X Factor USA judges on stage 32503
Demi Lovato joins X Factor USA judges on stage 32504
Demi Lovato joins X Factor USA judges on stage 32505
Demi Lovato joins X Factor USA judges on stage 32506
Demi Lovato joins X Factor USA judges on stage 32507
Demi Lovato joins X Factor USA judges on stage 32508
Demi Lovato joins X Factor USA judges on stage 32509
Demi Lovato joins X Factor USA judges on stage 32510
Demi Lovato joins X Factor USA judges on stage 32511
Demi Lovato joins X Factor USA judges on stage 32512