Paul McCartney was Stephen Colbert's final guest on 'The Late Show' Friday night before things took a surreal turn.

CBS aired its final installment of The Late Show tonight, with Stephen Colbert—class act that he is—starting things off with a reminder that he has always referred to the series as “the joy machine,” before gently letting a wide swathe of cameoing celebrities down in their dreams of being his “last guest.

The Late Show With Stephen Colbert' ended with Paul McCartney turning out the lights off at the Ed Sullivan Theater, following a 'Hello Goodbye' singalong.

Paul McCartney was a special surprise guest for the final episode of The Late Show with Stephen Colbert, and the rocker made a little history while there. Colbert saved the best for last, as his final show featured many celebrity cameos, including Bryan ...

A bittersweet but fitting farewell for The Late Show with Stephen Colbert, as the celebrated talk show host signed off the final episode with special guests, including Sir Paul McCartney. The

Paul McCartney has set countless records and logged a bounty of career milestones in his six-plus decades in the music business. The 83-year-old Liverpudlian is justifiably regarded as one of the most important musicians and songwriters of all time.

Paul McCartney has revealed the unexpected origins of ‘Home To Us’, explaining how an abandoned Ringo Starr drum session became a completed song, while also recalling a pre Beatles hitchhiking adventure with George Harrison.

Saturday Night Live has just released two bonus Paul McCartney performances that didn’t make it on air when he was the musical guest on the show’s May 16 season finale.During the show, McCartney performed three tracks: The Boys of Dungeon Lane single “Days We Left Behind,