Demi Lovato joins X Factor USA judges on stage 09037
Demi Lovato joins X Factor USA judges on stage 09038
Demi Lovato joins X Factor USA judges on stage 09039
Demi Lovato joins X Factor USA judges on stage 09040
Demi Lovato joins X Factor USA judges on stage 09041
Demi Lovato joins X Factor USA judges on stage 09042
Demi Lovato joins X Factor USA judges on stage 09043
Demi Lovato joins X Factor USA judges on stage 09044
Demi Lovato joins X Factor USA judges on stage 09045
Demi Lovato joins X Factor USA judges on stage 09046
Demi Lovato joins X Factor USA judges on stage 09047
Demi Lovato joins X Factor USA judges on stage 09048