George Clooney, Martin Freeman, and Judy Dench attend Paul McCartney's final tour with Ringo Starr at O2 Arena

Sir Paul McCartney welcomed his former Beatles bandmate Sir Ringo Starr to the stage on Thursday night while playing to a packed crowd at London’s O2 Arena.

“We’ve got another surprise for you,” McCartney told the audience. “Bringing to the stage the mighty, the one and only Mr Ringo Starr!”