Demi Lovato joins X Factor USA judges on stage 10981
Demi Lovato joins X Factor USA judges on stage 10982
Demi Lovato joins X Factor USA judges on stage 10983
Demi Lovato joins X Factor USA judges on stage 10984
Demi Lovato joins X Factor USA judges on stage 10985
Demi Lovato joins X Factor USA judges on stage 10986
Demi Lovato joins X Factor USA judges on stage 10987
Demi Lovato joins X Factor USA judges on stage 10988
Demi Lovato joins X Factor USA judges on stage 10989
Demi Lovato joins X Factor USA judges on stage 10990
Demi Lovato joins X Factor USA judges on stage 10991
Demi Lovato joins X Factor USA judges on stage 10992