Demi Lovato joins X Factor USA judges on stage 01969
Demi Lovato joins X Factor USA judges on stage 01970
Demi Lovato joins X Factor USA judges on stage 01971
Demi Lovato joins X Factor USA judges on stage 01972
Demi Lovato joins X Factor USA judges on stage 01973
Demi Lovato joins X Factor USA judges on stage 01974
Demi Lovato joins X Factor USA judges on stage 01975
Demi Lovato joins X Factor USA judges on stage 01976
Demi Lovato joins X Factor USA judges on stage 01977
Demi Lovato joins X Factor USA judges on stage 01978
Demi Lovato joins X Factor USA judges on stage 01979
Demi Lovato joins X Factor USA judges on stage 01980