Flo Rida, Trey Songz and Janelle Mon�e will take part in the clothing giant's "Merry Mix It" campaign, slated to debut online, in Gap stores, and in movie theatres nationwide on November 13. Some television spots are in the works as well.

Gap invited the three artists to write and produce "a street-smart rendition" of the Holiday classic "Jingle Bells" for its annual holiday promotion. Make sure to check out Gap's MerryMix site, where the song will debut on Thursday.