*Three generations of Mariah Carey’s family will be represented on her upcoming ABC Christmas special, as the pregnant singer will be joined on camera by her mother, Patricia.

“Mariah Carey: Merry Christmas to You,” set to air Dec. 13 (9 p.m. ET), was taped at the Orpheum Theater in Los Angeles and features the singer, in a black dress, belting songs from her new album, “Merry Christmas II You.”

Carey, 41, is expecting her first child with husband Nick Cannon.