Stephen Colbert's version of The Late Show on CBS is less than a month away, and just a few days after announcing his first guest (George Clooney), yesterday (Aug. 10) at the Television Critics Association summer press conference, the comedian and future talk show host announced his first musical guest: Kendrick Lamar.

Lamar will appear alongside Clooney and Colbert when the latest incarnation of The Late Show debuts on Sept. 8, The Wrap reports.

The premiere of Colbert's The Late Show won't be the first time that the rapper has joined the comedian for a momentous episode. Lamar was one of the final guests and the very last musician to appear on The Colbert Report last year, when he debuted a new single ahead of the release of his critically-acclaimed album To Pimp a Butterfly.

The full circle nature of a Lamar opening performance on The Late Show is what appealed to Colbert. During the press conference, he made the announcement casually saying, "My last musical guest [on The Colbert Report] was Kendrick Lamar, and I would love for him to be my first musical guest. In fact he will be my first musical guest."

What single Lamar will be performing and whether or not the critically-acclaimed rapper will also be interviewed has yet to be announced.

The Late Show with Stephen Colbert will debut on CBS on Sept. 8. Colbert takes over for David Letterman, who stepped down from his legendary TV show earlier this year after 22 years. Foo Fighters played Letterman out with a touching take on "Everlong."

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