Watch Lady Gaga & Tony Bennett Sing Gorgeous 'Baby It's Cold Outside' Duet in New Commercial

Lady Gaga in Barnes And Noble ad.

Lady Gaga in Barnes And Noble ad. 

It may only be November, but the contest for best holiday commercial is already over, thanks to this new one for Barnes & Noble featuring Lady Gaga and her bestie Tony Bennett.

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The two -- decked out in their holiday best -- make their way through a bookstore singing the creepy-but-charming holiday standard "Baby, It's Cold Outside."

This isn't the first time Gaga has broken out the tune. Among other performances, she sang it with Joseph Gordon-Levitt during her 2013 holiday special:

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