Demi Lovato joins X Factor USA judges on stage 14513
Demi Lovato joins X Factor USA judges on stage 14514
Demi Lovato joins X Factor USA judges on stage 14515
Demi Lovato joins X Factor USA judges on stage 14516
Demi Lovato joins X Factor USA judges on stage 14517
Demi Lovato joins X Factor USA judges on stage 14518
Demi Lovato joins X Factor USA judges on stage 14519
Demi Lovato joins X Factor USA judges on stage 14520
Demi Lovato joins X Factor USA judges on stage 14521
Demi Lovato joins X Factor USA judges on stage 14522
Demi Lovato joins X Factor USA judges on stage 14523
Demi Lovato joins X Factor USA judges on stage 14524