Pair played 'Helter Skelter' and 'Hi Hi Hi' in Boston
The former Beatles played a show at Fenway Park, with Weir joining him during the encore for renditions of Wings song ‘Hi Hi Hi’ as well as Beatles classic ‘Helter Skelter’.
Watch footage below. McCartney was also joined by American football player Rob Gronkowski of the New England Patriots during the performance.
Meanwhile, a letter from Paul McCartney to Prince has sold at auction for over £11,000. In the letter, McCartney asked the late musician to help him set up the Liverpool Institute For Performing Arts.
The Beatle wrote that he was contacting “friends and all good people” asking for donations. He also told Prince: “One of these days you’ll have to come and teach a class some moves!!”