Demi Lovato joins X Factor USA judges on stage 09561
Demi Lovato joins X Factor USA judges on stage 09562
Demi Lovato joins X Factor USA judges on stage 09563
Demi Lovato joins X Factor USA judges on stage 09564
Demi Lovato joins X Factor USA judges on stage 09565
Demi Lovato joins X Factor USA judges on stage 09566
Demi Lovato joins X Factor USA judges on stage 09567
Demi Lovato joins X Factor USA judges on stage 09568
Demi Lovato joins X Factor USA judges on stage 09569
Demi Lovato joins X Factor USA judges on stage 09570
Demi Lovato joins X Factor USA judges on stage 09571
Demi Lovato joins X Factor USA judges on stage 09572