Stephen Colbert took over as host of "The Late Show" in 2015.

David Letterman returns to 'The Late Show with Stephen Colbert' as the final guest this week before the May 21 finale.

Here's the full lineup of guests appearing on Stephen Colbert's 'Late Show' before the May 21 finale, including Barack Obama and David Letterman.

On a day where the news focus was on the troubles of his challenger, President Obama went on "The Late Show" with David Letterman, taking the opportunity to comment on comment by Mitt Romney to a ...

If you purchase an independently reviewed product or service through a link on our website, Rolling Stone may receive an affiliate commission. Colbert’s late-night show was cancelled in July of last ...

Stephen Colbert had a high-profile lineup of guests this week, leading up to the final episode of "The Late Show with Stephen Colbert" on May 21. On Wednesday, Colbert had Barack Obama on his show for ...