Hallmark Channel proudly presents “Mariah Carey’s Merriest Christmas,” an exclusive musical holiday event, premiering Saturday, December 19th at 109c, immediately following the world premiere of “A Christmas Melody,” directed by and starring musical legend and Grammy® award-winning superstar Mariah Carey. 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 & Molly”) 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. br br God Rest Ye Merry Gentlemenbr Jingle Bells br Joy To The Worldbr Here Comes Santa Clausbr Hark! The Harold Angels SingGloria (In Excelsis Deo)br Silent Nightbr Christmas Time Is In The Air Again (ft.