Demi Lovato joins X Factor USA judges on stage 20037
Demi Lovato joins X Factor USA judges on stage 20038
Demi Lovato joins X Factor USA judges on stage 20039
Demi Lovato joins X Factor USA judges on stage 20040
Demi Lovato joins X Factor USA judges on stage 20041
Demi Lovato joins X Factor USA judges on stage 20042
Demi Lovato joins X Factor USA judges on stage 20043
Demi Lovato joins X Factor USA judges on stage 20044
Demi Lovato joins X Factor USA judges on stage 20045
Demi Lovato joins X Factor USA judges on stage 20046
Demi Lovato joins X Factor USA judges on stage 20047
Demi Lovato joins X Factor USA judges on stage 20048