Demi Lovato joins X Factor USA judges on stage 02481
Demi Lovato joins X Factor USA judges on stage 02482
Demi Lovato joins X Factor USA judges on stage 02483
Demi Lovato joins X Factor USA judges on stage 02484
Demi Lovato joins X Factor USA judges on stage 02485
Demi Lovato joins X Factor USA judges on stage 02486
Demi Lovato joins X Factor USA judges on stage 02487
Demi Lovato joins X Factor USA judges on stage 02488
Demi Lovato joins X Factor USA judges on stage 02489
Demi Lovato joins X Factor USA judges on stage 02490
Demi Lovato joins X Factor USA judges on stage 02491
Demi Lovato joins X Factor USA judges on stage 02492