Demi Lovato joins X Factor USA judges on stage 34001
Demi Lovato joins X Factor USA judges on stage 34002
Demi Lovato joins X Factor USA judges on stage 34003
Demi Lovato joins X Factor USA judges on stage 34004
Demi Lovato joins X Factor USA judges on stage 34005
Demi Lovato joins X Factor USA judges on stage 34006
Demi Lovato joins X Factor USA judges on stage 34007
Demi Lovato joins X Factor USA judges on stage 34008
Demi Lovato joins X Factor USA judges on stage 34009
Demi Lovato joins X Factor USA judges on stage 34010
Demi Lovato joins X Factor USA judges on stage 34011
Demi Lovato joins X Factor USA judges on stage 34012