Demi Lovato joins X Factor USA judges on stage 03037
Demi Lovato joins X Factor USA judges on stage 03038
Demi Lovato joins X Factor USA judges on stage 03039
Demi Lovato joins X Factor USA judges on stage 03040
Demi Lovato joins X Factor USA judges on stage 03041
Demi Lovato joins X Factor USA judges on stage 03042
Demi Lovato joins X Factor USA judges on stage 03043
Demi Lovato joins X Factor USA judges on stage 03044
Demi Lovato joins X Factor USA judges on stage 03045
Demi Lovato joins X Factor USA judges on stage 03046
Demi Lovato joins X Factor USA judges on stage 03047
Demi Lovato joins X Factor USA judges on stage 03048