Late Late Show presenter Corden welcomes Bublé into the passenger seat on Friday 26 October as part of the Stand Up to Cancer charity telethon, but a sneak preview has already been shared on social media.
Corden sings along with Bublé's 2009 hit "Haven't Met You Yet" (Bublé really gets into it) before the pair belt out the Canadian singer's "It's a Beautiful Day", which was released in 2013 as a single from his eighth album To Be Loved.
Bublé's involvement in the charity telethon is a personal one, as his young son Noah is currently in remission from liver cancer after being diagnosed with the disease two years ago.
The singer recently denied a report that he was planning to retire from the music business, and revealed he has "a new album coming out, TV appearances, and a possible tour" in the works.
The special edition of Carpool Karaoke will be part of a full night of programmes put together by Stand Up to Cancer, in order to raise funds for children and adults in the UK.
Stand Up to Cancer airs from 7pm Friday on Channel 4. Donations can be made here or by texting TEN or TWENTY to 70404 to make donations of £10 or £20.
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