Listen to Tony Bennett and Lady Gaga Duet, ‘The Lady is a Tramp’

Tony Bennett is rolling out the duets for his new album and is pulling out the big guns with his latest collaboration with Lady Gaga singing 'The Lady is a Tramp'.

Some of you may not know that she is a classically trained singer, and really shows off her pipes...old school meets new school and they pull it off! Take a listen below.