Demi Lovato joins X Factor USA judges on stage 13981
Demi Lovato joins X Factor USA judges on stage 13982
Demi Lovato joins X Factor USA judges on stage 13983
Demi Lovato joins X Factor USA judges on stage 13984
Demi Lovato joins X Factor USA judges on stage 13985
Demi Lovato joins X Factor USA judges on stage 13986
Demi Lovato joins X Factor USA judges on stage 13987
Demi Lovato joins X Factor USA judges on stage 13988
Demi Lovato joins X Factor USA judges on stage 13989
Demi Lovato joins X Factor USA judges on stage 13990
Demi Lovato joins X Factor USA judges on stage 13991
Demi Lovato joins X Factor USA judges on stage 13992