Lady Gaga & Tony Bennett Share Holiday Duet In Barnes & Noble Commercial

Lady Gaga runs into her friend Tony Bennett in a new heartwarming commercial for Barnes & Noble.

The 29-year-old entertainer makes her way inside the book store, decked out in her holiday best, and begins to sing “Baby, It’s Cold Outside.”

PHOTOS: Check out the latest pics of Lady Gaga

Gaga is then joined by Tony for a sweet duet inside the festive store.

This isn’t the first time the pair has collaborated – they released an album of tunes together last year!

Check out the whole commercial below…