Demi Lovato joins X Factor USA judges on stage 19469
Demi Lovato joins X Factor USA judges on stage 19470
Demi Lovato joins X Factor USA judges on stage 19471
Demi Lovato joins X Factor USA judges on stage 19472
Demi Lovato joins X Factor USA judges on stage 19473
Demi Lovato joins X Factor USA judges on stage 19474
Demi Lovato joins X Factor USA judges on stage 19475
Demi Lovato joins X Factor USA judges on stage 19476
Demi Lovato joins X Factor USA judges on stage 19477
Demi Lovato joins X Factor USA judges on stage 19478
Demi Lovato joins X Factor USA judges on stage 19479
Demi Lovato joins X Factor USA judges on stage 19480