Park Bom and Lee Hi of new duo group BH uploaded pictures of their hand-written cards on the official YG homepage.  

Introducing their hand-written cards was a message that said, "Like a Christmas present, Bom & Hi's new single 'All I Want For Christmas Is You' has been released before Christmas onto all the music sites on December 19.  Bom & Hi will present a charm in their unique reinterpretation that is different from what you'd find in an original song.  We ask for a lot of interest and support for Bom & Hi's new single . . . To celebrate Bom & Hi's new single release, the two will reveal a Christmas message for all their fans."

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Park Bom's message said, "First of all, Merry Christmas everyone!  Christmas song with Hi~  You're going to give it a lot of love, right?  Anyway, Merry Christmas."

Lee Hi wrote, "I hope you enjoy a warm and fun Christmas while listening to Bom & Hi's 'All I Want For Christmas Is You.'  Merry Christmas."

Make sure you listen to their beautiful duet!