Demi Lovato joins X Factor USA judges on stage 32410
Demi Lovato joins X Factor USA judges on stage 32411
Demi Lovato joins X Factor USA judges on stage 32412
Demi Lovato joins X Factor USA judges on stage 32413
Demi Lovato joins X Factor USA judges on stage 32414
Demi Lovato joins X Factor USA judges on stage 32415
Demi Lovato joins X Factor USA judges on stage 32416
Demi Lovato joins X Factor USA judges on stage 32417
Demi Lovato joins X Factor USA judges on stage 32418
Demi Lovato joins X Factor USA judges on stage 32419
Demi Lovato joins X Factor USA judges on stage 32420
Demi Lovato joins X Factor USA judges on stage 32421