Demi Lovato joins X Factor USA judges on stage 27049
Demi Lovato joins X Factor USA judges on stage 27050
Demi Lovato joins X Factor USA judges on stage 27051
Demi Lovato joins X Factor USA judges on stage 27052
Demi Lovato joins X Factor USA judges on stage 27053
Demi Lovato joins X Factor USA judges on stage 27054
Demi Lovato joins X Factor USA judges on stage 27055
Demi Lovato joins X Factor USA judges on stage 27056
Demi Lovato joins X Factor USA judges on stage 27057
Demi Lovato joins X Factor USA judges on stage 27058
Demi Lovato joins X Factor USA judges on stage 27059
Demi Lovato joins X Factor USA judges on stage 27060