It was a starry night for Stephen Colbert's "Late Show" finale. Here's who showed up to the last episode along with Ryan Reynolds, Paul Rudd and more.

Stephen Colbert chatted with Paul McCartney and joined him on stage for a raucous performance of "Hello, Goodbye” on the final broadcast of CBS' “The Late Show” on Thursday night, a bittersweet farewell for a canceled show that still had a few barbs left for the network that ended its 33-year run.

Stephen Colbert ended his time on The Late Show with a musical performance The final episode of the CBS late-night show aired on Thursday, March 21 Colbert joined musical greats on stage including McCartney,

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.

Stephen Colbert is officially signing off and ending his 11-year run on "The Late Show." Follow along for live updates from the show's series finale.

Colbert made jokes about the Catholic Church, the latest news, and a dancing robot — but avoided the U.S. president.

The series finale of “The Late Show” is airing on CBS now, with Stephen Colbert giving thanks to his staff, studio audience and viewers. Ted Turner’s nature reserve, Vermejo, is the subject of a new documentary.

Stephen Colbert's second-to-last "Late Show" featured one cameo after another, including Robert De Niro, Ben Stiller and even Colbert's wife.