Demi Lovato joins X Factor USA judges on stage 17513
Demi Lovato joins X Factor USA judges on stage 17514
Demi Lovato joins X Factor USA judges on stage 17515
Demi Lovato joins X Factor USA judges on stage 17516
Demi Lovato joins X Factor USA judges on stage 17517
Demi Lovato joins X Factor USA judges on stage 17518
Demi Lovato joins X Factor USA judges on stage 17519
Demi Lovato joins X Factor USA judges on stage 17520
Demi Lovato joins X Factor USA judges on stage 17521
Demi Lovato joins X Factor USA judges on stage 17522
Demi Lovato joins X Factor USA judges on stage 17523
Demi Lovato joins X Factor USA judges on stage 17524