Demi Lovato joins X Factor USA judges on stage 19481
Demi Lovato joins X Factor USA judges on stage 19482
Demi Lovato joins X Factor USA judges on stage 19483
Demi Lovato joins X Factor USA judges on stage 19484
Demi Lovato joins X Factor USA judges on stage 19485
Demi Lovato joins X Factor USA judges on stage 19486
Demi Lovato joins X Factor USA judges on stage 19487
Demi Lovato joins X Factor USA judges on stage 19488
Demi Lovato joins X Factor USA judges on stage 19489
Demi Lovato joins X Factor USA judges on stage 19490
Demi Lovato joins X Factor USA judges on stage 19491
Demi Lovato joins X Factor USA judges on stage 19492