Demi Lovato joins X Factor USA judges on stage 28001
Demi Lovato joins X Factor USA judges on stage 28002
Demi Lovato joins X Factor USA judges on stage 28003
Demi Lovato joins X Factor USA judges on stage 28004
Demi Lovato joins X Factor USA judges on stage 28005
Demi Lovato joins X Factor USA judges on stage 28006
Demi Lovato joins X Factor USA judges on stage 28007
Demi Lovato joins X Factor USA judges on stage 28008
Demi Lovato joins X Factor USA judges on stage 28009
Demi Lovato joins X Factor USA judges on stage 28010
Demi Lovato joins X Factor USA judges on stage 28011
Demi Lovato joins X Factor USA judges on stage 28012