Demi Lovato joins X Factor USA judges on stage 25037
Demi Lovato joins X Factor USA judges on stage 25038
Demi Lovato joins X Factor USA judges on stage 25039
Demi Lovato joins X Factor USA judges on stage 25040
Demi Lovato joins X Factor USA judges on stage 25041
Demi Lovato joins X Factor USA judges on stage 25042
Demi Lovato joins X Factor USA judges on stage 25043
Demi Lovato joins X Factor USA judges on stage 25044
Demi Lovato joins X Factor USA judges on stage 25045
Demi Lovato joins X Factor USA judges on stage 25046
Demi Lovato joins X Factor USA judges on stage 25047
Demi Lovato joins X Factor USA judges on stage 25048