Demi Lovato joins X Factor USA judges on stage 24001
Demi Lovato joins X Factor USA judges on stage 24002
Demi Lovato joins X Factor USA judges on stage 24003
Demi Lovato joins X Factor USA judges on stage 24004
Demi Lovato joins X Factor USA judges on stage 24005
Demi Lovato joins X Factor USA judges on stage 24006
Demi Lovato joins X Factor USA judges on stage 24007
Demi Lovato joins X Factor USA judges on stage 24008
Demi Lovato joins X Factor USA judges on stage 24009
Demi Lovato joins X Factor USA judges on stage 24010
Demi Lovato joins X Factor USA judges on stage 24011
Demi Lovato joins X Factor USA judges on stage 24012