Demi Lovato joins X Factor USA judges on stage 27561
Demi Lovato joins X Factor USA judges on stage 27562
Demi Lovato joins X Factor USA judges on stage 27563
Demi Lovato joins X Factor USA judges on stage 27564
Demi Lovato joins X Factor USA judges on stage 27565
Demi Lovato joins X Factor USA judges on stage 27566
Demi Lovato joins X Factor USA judges on stage 27567
Demi Lovato joins X Factor USA judges on stage 27568
Demi Lovato joins X Factor USA judges on stage 27569
Demi Lovato joins X Factor USA judges on stage 27570
Demi Lovato joins X Factor USA judges on stage 27571
Demi Lovato joins X Factor USA judges on stage 27572