Watch: Lady Gaga and Tony Bennett Duet

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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.