Demi Lovato joins X Factor USA judges on stage 15312
Demi Lovato joins X Factor USA judges on stage 15778
Demi Lovato joins X Factor USA judges on stage 15313
Demi Lovato joins X Factor USA judges on stage 15779
Demi Lovato joins X Factor USA judges on stage 15314
Demi Lovato joins X Factor USA judges on stage 15780
Demi Lovato joins X Factor USA judges on stage 15315
Demi Lovato joins X Factor USA judges on stage 15781
Demi Lovato joins X Factor USA judges on stage 15316
Demi Lovato joins X Factor USA judges on stage 15782
Demi Lovato joins X Factor USA judges on stage 15317
Demi Lovato joins X Factor USA judges on stage 15783