Demi Lovato joins X Factor USA judges on stage 27073
Demi Lovato joins X Factor USA judges on stage 27074
Demi Lovato joins X Factor USA judges on stage 27075
Demi Lovato joins X Factor USA judges on stage 27076
Demi Lovato joins X Factor USA judges on stage 27077
Demi Lovato joins X Factor USA judges on stage 27078
Demi Lovato joins X Factor USA judges on stage 27079
Demi Lovato joins X Factor USA judges on stage 27080
Demi Lovato joins X Factor USA judges on stage 27081
Demi Lovato joins X Factor USA judges on stage 27082
Demi Lovato joins X Factor USA judges on stage 27083
Demi Lovato joins X Factor USA judges on stage 27084