Demi Lovato joins X Factor USA judges on stage 10993
Demi Lovato joins X Factor USA judges on stage 10994
Demi Lovato joins X Factor USA judges on stage 10995
Demi Lovato joins X Factor USA judges on stage 10996
Demi Lovato joins X Factor USA judges on stage 10997
Demi Lovato joins X Factor USA judges on stage 10998
Demi Lovato joins X Factor USA judges on stage 10999
Demi Lovato joins X Factor USA judges on stage 11000