After stepping down from his US talk show, the Gavin & Stacey creator is returning to the world of celebrity interviewing.
The Gavin and Stacey actor stepped down as host of The Late, Late Show in April 2023, leaving a slot to fill.
"To have missed out on those moments in exchange for money doesn’t feel like a good decision," the Gavin & Stacey star explained.
"I just want to cherish it and not spend the whole day crying," the Gavin & Stacey creator insisted.
There were some surprise revelations, big laughs and a lot of tears as James took his final spin around the block with his dear friend.
Rumours gathered pace after a gossip site noted how all five boys happened to have a break in their schedules around the time of James’ final show.
The Late, Late Show host has seemingly called on a seriously impressive A-list pal to make sure Carpool Karaoke goes out with a bang.
"I hope I never, ever work with you again," Craig Duncan said in a YouTube video about the Late, Late Show host.
The Kill Bill singer isn't the only star to say no to Carpool Karaoke.
When introducing James Corden to the stage, Trevor seized the opportunity to make light of one of Prince Harry's more candid admissions.