If you're not in the Christmas spirit, then this holiday performance from Kelly Rowland and Michael Buble should fill you up with yuletide fuzzies. The duo teamed up for a jazzy rendition of the Irving Berlin song 'White Christmas' (as sung by the late Bing Cosby).

The clip is from the crooner's U.K. holiday special 'Michael Buble: Home For Christmas.' Buble was looking fierce in his navy suit and tie, while Rowland looked like a swan in her short white feathery dress. The lovely pair sung the holiday classic together with doo-wop group Naturally 7.

Buble and K.Row even cut a rug during a small break in the song as the big-band orchestra played on. We were amazed at how Rowland was able to twirl in those 7-inch pumps. You go girl!

We can't get enough of these two beautiful-looking vocalists. Our Christmas wish is that Buble and Rowland team up for a catchy pop song soon.

Buble is certainly seeing a lot of green this Christmas. The singer's holiday opus, 'Christmas,' is poised to become the second-biggest selling album of 2011. So far, he's sold 1.52 million copies and is expected to push 2.4 million units out the store by year's end.

Watch Kelly Rowland and Michael Buble Perform 'White Christmas'

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