United Kingdom, April 8 -- Stephen Colbert is keeping a "white-knuckle grip" on The Late Show until it's officially over.

The 61-year-old talk show host's CBS programme will end with the current season on May 21, but the TV star insisted he's quite ready to "let go" of anything just yet.

Oprah Winfrey was a guest on his show on Tuesday (07.04.26) and asked if there was anything he wanted to "release" as the end approaches.

He said: "I still have a white-knuckle grip on all these people who I love, who I've worked with all these years, including those people over there."

Colbert - who is writing new Lord of the Rings film Shadow of the Past - is still close to the band, camera crew, light and sound teams, and more behind the scenes.

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