Demi Lovato joins X Factor USA judges on stage 13001
Demi Lovato joins X Factor USA judges on stage 13002
Demi Lovato joins X Factor USA judges on stage 13003
Demi Lovato joins X Factor USA judges on stage 13004
Demi Lovato joins X Factor USA judges on stage 13005
Demi Lovato joins X Factor USA judges on stage 13006
Demi Lovato joins X Factor USA judges on stage 13007
Demi Lovato joins X Factor USA judges on stage 13008
Demi Lovato joins X Factor USA judges on stage 13009
Demi Lovato joins X Factor USA judges on stage 13010
Demi Lovato joins X Factor USA judges on stage 13011
Demi Lovato joins X Factor USA judges on stage 13012