Demi Lovato joins X Factor USA judges on stage 07481
Demi Lovato joins X Factor USA judges on stage 07482
Demi Lovato joins X Factor USA judges on stage 07483
Demi Lovato joins X Factor USA judges on stage 07484
Demi Lovato joins X Factor USA judges on stage 07485
Demi Lovato joins X Factor USA judges on stage 07486
Demi Lovato joins X Factor USA judges on stage 07487
Demi Lovato joins X Factor USA judges on stage 07488
Demi Lovato joins X Factor USA judges on stage 07489
Demi Lovato joins X Factor USA judges on stage 07490
Demi Lovato joins X Factor USA judges on stage 07491
Demi Lovato joins X Factor USA judges on stage 07492