Watch: Lady Gaga and Tony Bennett Duet


Step aside, Mama Monster--- Tonight Lady Gaga is a 'tramp.'

The legendary Tony Bennett pairs up with a toned down, yet still fabulous Gaga to perform the classic, The Lady is a Tramp.

Check out the video to see the talented twosome in action!

The duet comes from the album Tony Bennett: Duets II, released September 20 in honor of his 85th birthday. Other notable celebrities featured in the CD are Mariah Carey, Carrie Underwood, John Mayer and the late Amy Winehouse.

MORE: Tony Bennett: Oldest Artist on Billboard's Hot 100