Demi Lovato joins X Factor USA judges on stage 09481
Demi Lovato joins X Factor USA judges on stage 09482
Demi Lovato joins X Factor USA judges on stage 09483
Demi Lovato joins X Factor USA judges on stage 09484
Demi Lovato joins X Factor USA judges on stage 09485
Demi Lovato joins X Factor USA judges on stage 09486
Demi Lovato joins X Factor USA judges on stage 09487
Demi Lovato joins X Factor USA judges on stage 09488
Demi Lovato joins X Factor USA judges on stage 09489
Demi Lovato joins X Factor USA judges on stage 09490
Demi Lovato joins X Factor USA judges on stage 09491
Demi Lovato joins X Factor USA judges on stage 09492