Demi Lovato joins X Factor USA judges on stage 06513
Demi Lovato joins X Factor USA judges on stage 06514
Demi Lovato joins X Factor USA judges on stage 06515
Demi Lovato joins X Factor USA judges on stage 06516
Demi Lovato joins X Factor USA judges on stage 06517
Demi Lovato joins X Factor USA judges on stage 06518
Demi Lovato joins X Factor USA judges on stage 06519
Demi Lovato joins X Factor USA judges on stage 06520
Demi Lovato joins X Factor USA judges on stage 06521
Demi Lovato joins X Factor USA judges on stage 06522
Demi Lovato joins X Factor USA judges on stage 06523
Demi Lovato joins X Factor USA judges on stage 06524