Two giant men ... two giant onsies ... one epic Christmas carol battle.
The Rock hit up "Live with Kelly & Michael" this morning and challenged the morning show hosts to a Christmas karaoke showdown.
Michael and Kelly took on "Christmas in Hollis" by Run-D.M.C.
The Rock did "Here Comes Santa Claus" ... the Elvis version ... with a little help from a special guest.
It wasn't just pride on the line -- the competitors were battling it out for an actual trophy.
So, who won?? Check out the video ...
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