Paul McCartney joined sports fans at the Olympic Park on Sunday (July 29) as he watched the USA beat France 98-71.<br/> <br />The former Beatle was spotted wearing a baseball cap and dark glasses leaving the basketball arena with his wife Nancy Shevell.<br/> <br />In a clearly jovial mood, McCartney and Shevell walked away hand in hand and played a joke on an unsuspecting volunteer after they formed an arch with their arms for her to walk through.<br/> <br />McCartney was one of the highlights of the Opening Ceremony on Friday night, as he got the crowds in the stadium singing Hey Jude.<br/> <br />John Russell, Reuters.