*WATCH* Dave Grohl Joins Paul McCartney Onstage To Perform 'I Saw Her Standing There'
Paul McCartney performed his first of two shows at London's O2 Arena on Last night (Saturday May 23, 2015), where he was joined onstage by none other than Dave Grohl. The Foo Fighters frontman made a cameo during the former Beatles' set to provide vocals and guitar for the songs 'Please Please Me'and 'I Saw Her Standing There'. Watch fan-shot footage of this epic collaboration below. It's official. More things like this NEED to happen in Canada!...