Show' host, who started his Monday broadcast addressing his ‘Late Show’ counterpart’s cancellation, also posted on social media last week about the news.

John Oliver, Jon Stewart, Jimmy Fallon, Seth Meyers and more had cameos during the July 21 episode of "The Late Show With Stephen Colbert."

Stephen Colbert recruited celebrities including Adam Sandler for an Astronomer CEO kiss-cam spoof on Monday's "The Late Show."