Demi Lovato joins X Factor USA judges on stage 26037
Demi Lovato joins X Factor USA judges on stage 26038
Demi Lovato joins X Factor USA judges on stage 26039
Demi Lovato joins X Factor USA judges on stage 26040
Demi Lovato joins X Factor USA judges on stage 26041
Demi Lovato joins X Factor USA judges on stage 26042
Demi Lovato joins X Factor USA judges on stage 26043
Demi Lovato joins X Factor USA judges on stage 26044
Demi Lovato joins X Factor USA judges on stage 26045
Demi Lovato joins X Factor USA judges on stage 26046
Demi Lovato joins X Factor USA judges on stage 26047
Demi Lovato joins X Factor USA judges on stage 26048