McCartney also played his long-lost bass live for the first time in more than 50 years and welcomed a Rolling Stones member to the stage.

During his final show at London's O2 Arena Friday, Paul McCartney welcomed former Beatles bandmate Ringo Starr to the stage ahead of a showstopping performance by the duo.

On Thursday, Paul McCartney and Ringo Starr thrilled fans with a surprise reunion onstage at a London concert. “Should we rock? Get on your kit,” McCartney said to his former bandmate as Starr came on, and the crowd went wild.

Paul McCartney closed out his Got Back tour last night at London’s O2 and took the opportunity to reunite with his Beatles bandmate Ringo Starr. During the performance, his last gig of the year, McCartney also introduced the Rolling Stones’ Ronnie Wood and played an old bass guitar that was returned to him earlier this year after being stolen.