Demi Lovato joins X Factor USA judges on stage 03481
Demi Lovato joins X Factor USA judges on stage 03482
Demi Lovato joins X Factor USA judges on stage 03483
Demi Lovato joins X Factor USA judges on stage 03484
Demi Lovato joins X Factor USA judges on stage 03485
Demi Lovato joins X Factor USA judges on stage 03486
Demi Lovato joins X Factor USA judges on stage 03487
Demi Lovato joins X Factor USA judges on stage 03488
Demi Lovato joins X Factor USA judges on stage 03489
Demi Lovato joins X Factor USA judges on stage 03490
Demi Lovato joins X Factor USA judges on stage 03491
Demi Lovato joins X Factor USA judges on stage 03492