Demi Lovato joins X Factor USA judges on stage 08049
Demi Lovato joins X Factor USA judges on stage 08050
Demi Lovato joins X Factor USA judges on stage 08051
Demi Lovato joins X Factor USA judges on stage 08052
Demi Lovato joins X Factor USA judges on stage 08053
Demi Lovato joins X Factor USA judges on stage 08054
Demi Lovato joins X Factor USA judges on stage 08055
Demi Lovato joins X Factor USA judges on stage 08056
Demi Lovato joins X Factor USA judges on stage 08057
Demi Lovato joins X Factor USA judges on stage 08058
Demi Lovato joins X Factor USA judges on stage 08059
Demi Lovato joins X Factor USA judges on stage 08060