Demi Lovato joins X Factor USA judges on stage 10482
Demi Lovato joins X Factor USA judges on stage 10483
Demi Lovato joins X Factor USA judges on stage 10484
Demi Lovato joins X Factor USA judges on stage 10485
Demi Lovato joins X Factor USA judges on stage 10486
Demi Lovato joins X Factor USA judges on stage 10487
Demi Lovato joins X Factor USA judges on stage 10488
Demi Lovato joins X Factor USA judges on stage 10489
Demi Lovato joins X Factor USA judges on stage 10490
Demi Lovato joins X Factor USA judges on stage 10491
Demi Lovato joins X Factor USA judges on stage 10492
Demi Lovato joins X Factor USA judges on stage 10493