The one-hour musical special features outstanding performances of holiday songs by the incomparable pop diva herself - Mariah Carey - including a duet with 11-time Grammy Award winner Kenny “Babyface†Edmonds. Emmy Award winner Kelsey Grammer gives an unforgettable reading of “The Night Before Christmas.†Billy Gardell (“Mike & Mollyâ€) appears as Santa Claus. Additionally, cast members from “A Christmas Melody†- Lacey Chabert, Brennan Elliott and Fina Strazza – join the festivities sharing holiday memories and experiences from working with Mariah on-set during production of the movie.