Demi Lovato joins X Factor USA judges on stage 00013
Demi Lovato joins X Factor USA judges on stage 00014
Demi Lovato joins X Factor USA judges on stage 00015
Demi Lovato joins X Factor USA judges on stage 00016
Demi Lovato joins X Factor USA judges on stage 00017
Demi Lovato joins X Factor USA judges on stage 00018
Demi Lovato joins X Factor USA judges on stage 00019
Demi Lovato joins X Factor USA judges on stage 00020
Demi Lovato joins X Factor USA judges on stage 00021
Demi Lovato joins X Factor USA judges on stage 00022
Demi Lovato joins X Factor USA judges on stage 00023
Demi Lovato joins X Factor USA judges on stage 00024