Demi Lovato joins X Factor USA judges on stage 27097
Demi Lovato joins X Factor USA judges on stage 27098
Demi Lovato joins X Factor USA judges on stage 27099
Demi Lovato joins X Factor USA judges on stage 27100
Demi Lovato joins X Factor USA judges on stage 27101
Demi Lovato joins X Factor USA judges on stage 27102
Demi Lovato joins X Factor USA judges on stage 27103
Demi Lovato joins X Factor USA judges on stage 27104
Demi Lovato joins X Factor USA judges on stage 27105
Demi Lovato joins X Factor USA judges on stage 27106
Demi Lovato joins X Factor USA judges on stage 27107
Demi Lovato joins X Factor USA judges on stage 27108