Watch Lady Gaga & Tony Bennett Sing Gorgeous 'Baby It's Cold Outside' Duet in New Commercial
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:
Who else is coveting her killer green and black dress?