Demi Lovato joins X Factor USA judges on stage 07970
Demi Lovato joins X Factor USA judges on stage 07971
Demi Lovato joins X Factor USA judges on stage 07972
Demi Lovato joins X Factor USA judges on stage 07973
Demi Lovato joins X Factor USA judges on stage 07974
Demi Lovato joins X Factor USA judges on stage 07975
Demi Lovato joins X Factor USA judges on stage 07976
Demi Lovato joins X Factor USA judges on stage 07977
Demi Lovato joins X Factor USA judges on stage 07978
Demi Lovato joins X Factor USA judges on stage 07979
Demi Lovato joins X Factor USA judges on stage 07980
Demi Lovato joins X Factor USA judges on stage 07981