Demi Lovato joins X Factor USA judges on stage 34501
Demi Lovato joins X Factor USA judges on stage 34502
Demi Lovato joins X Factor USA judges on stage 34503
Demi Lovato joins X Factor USA judges on stage 34504
Demi Lovato joins X Factor USA judges on stage 34505
Demi Lovato joins X Factor USA judges on stage 34506
Demi Lovato joins X Factor USA judges on stage 34507
Demi Lovato joins X Factor USA judges on stage 34508
Demi Lovato joins X Factor USA judges on stage 34509
Demi Lovato joins X Factor USA judges on stage 34510
Demi Lovato joins X Factor USA judges on stage 34511
Demi Lovato joins X Factor USA judges on stage 34512