Demi Lovato joins X Factor USA judges on stage 16501
Demi Lovato joins X Factor USA judges on stage 16502
Demi Lovato joins X Factor USA judges on stage 16503
Demi Lovato joins X Factor USA judges on stage 16504
Demi Lovato joins X Factor USA judges on stage 16505
Demi Lovato joins X Factor USA judges on stage 16506
Demi Lovato joins X Factor USA judges on stage 16507
Demi Lovato joins X Factor USA judges on stage 16508
Demi Lovato joins X Factor USA judges on stage 16509
Demi Lovato joins X Factor USA judges on stage 16510
Demi Lovato joins X Factor USA judges on stage 16511
Demi Lovato joins X Factor USA judges on stage 16512