Demi Lovato joins X Factor USA judges on stage 33526
Demi Lovato joins X Factor USA judges on stage 33527
Demi Lovato joins X Factor USA judges on stage 33528
Demi Lovato joins X Factor USA judges on stage 33529
Demi Lovato joins X Factor USA judges on stage 33530
Demi Lovato joins X Factor USA judges on stage 33531
Demi Lovato joins X Factor USA judges on stage 33532
Demi Lovato joins X Factor USA judges on stage 33533
Demi Lovato joins X Factor USA judges on stage 33534
Demi Lovato joins X Factor USA judges on stage 33535
Demi Lovato joins X Factor USA judges on stage 33536
Demi Lovato joins X Factor USA judges on stage 33537