Mariah Carey Sings Duet with Daughter Monroe at Christmas Concert in Toronto

Mariah Carey brings her daughter Monroe, 11, out on stage as they perform a festive duet in Toronto

Mariah Carey Sings Duet With Daughter Monroe, 11, at Christmas Concert

Mariah Carey Shares Stage With Daughter Monroe During 'Merry Christmas to All' Concert, Performs 'Away in a Manger' Duet