Demi Lovato joins X Factor USA judges on stage 12481
Demi Lovato joins X Factor USA judges on stage 12482
Demi Lovato joins X Factor USA judges on stage 12483
Demi Lovato joins X Factor USA judges on stage 12484
Demi Lovato joins X Factor USA judges on stage 12485
Demi Lovato joins X Factor USA judges on stage 12486
Demi Lovato joins X Factor USA judges on stage 12487
Demi Lovato joins X Factor USA judges on stage 12488
Demi Lovato joins X Factor USA judges on stage 12489
Demi Lovato joins X Factor USA judges on stage 12490
Demi Lovato joins X Factor USA judges on stage 12491
Demi Lovato joins X Factor USA judges on stage 12492