YOUNG HOLLYWOOD TV
The collaboration will be unveiled on Bieber's upcoming U.K. TV special to promote his latest yuletide release.
In a message on his Twitter.com page, Bieber writes, "Shooting this ITV Special for Under The Mistletoe here in London and you know I had to bring my guy Tinie Tempah thru 4 (through for) a UK REMIX! DrummerBoy."
Bieber's original track Drummer Boy features verses by rapper Busta Rhymes.