Demi Lovato joins X Factor USA judges on stage 07037
Demi Lovato joins X Factor USA judges on stage 07038
Demi Lovato joins X Factor USA judges on stage 07039
Demi Lovato joins X Factor USA judges on stage 07040
Demi Lovato joins X Factor USA judges on stage 07041
Demi Lovato joins X Factor USA judges on stage 07042
Demi Lovato joins X Factor USA judges on stage 07043
Demi Lovato joins X Factor USA judges on stage 07044
Demi Lovato joins X Factor USA judges on stage 07045
Demi Lovato joins X Factor USA judges on stage 07046
Demi Lovato joins X Factor USA judges on stage 07047
Demi Lovato joins X Factor USA judges on stage 07048