Demi Lovato joins X Factor USA judges on stage 34037
Demi Lovato joins X Factor USA judges on stage 34038
Demi Lovato joins X Factor USA judges on stage 34039
Demi Lovato joins X Factor USA judges on stage 34040
Demi Lovato joins X Factor USA judges on stage 34041
Demi Lovato joins X Factor USA judges on stage 34042
Demi Lovato joins X Factor USA judges on stage 34043
Demi Lovato joins X Factor USA judges on stage 34044
Demi Lovato joins X Factor USA judges on stage 34045
Demi Lovato joins X Factor USA judges on stage 34046
Demi Lovato joins X Factor USA judges on stage 34047
Demi Lovato joins X Factor USA judges on stage 34048