Kristen Bell hooks up with the a cappella super group Straight No Chaser for what could be the new holiday song of the year.

Who knew Kristen Bell could sing so well?

We've known for a long time how great Straight No Chaser is. We gave away a bunch of tix over the summer for their show this Wed November 19 at The Merrill Auditorium in Portland.

Here's the new Christmas smash featuring Kristen Bell:



Here's another great one from SNC:




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