Britney Spears has confirmed she's going on James Corden's 'Carpool Karaoke'.

Britney Spears

Britney Spears

The 34-year-old pop beauty has already filmed her segment with the 'Late Late Show' host for the popular slot on his hit talk show, and it will air on CBS on August 25.

Alongside a picture of the pair in front of the Range Rover used to carry celebrities for their singing session, Britney wrote on Twitter: "Took a ride around LA with @JKCorden & did a little #CarpoolKaraoke Watch the @latelateshow on 8/25 to see it! (sic)"

The 'Piece of Me' hitmaker is believed to have been keen to take part in the British funnyman's skit to promote her eagerly-anticipated ninth studio LP 'Glory', which is released the next day on August 26.

The 'Make Me' hitmaker will follow in the footsteps of Justin Bieber, Adele, Sir Elton John, Stevie Wonder and many more who have been on the ride with the British funnyman and belted out their biggest hits.

Meanwhile, James, 37, is believed to be doing all he can to secure Beyonce for 'Carpool Karaoke'.

On his plans to get the 'Hold Up' hitmaker on board, he said: "It would break the internet. She's on tour right now. We're working on it."

And he's still holding out for Kanye West to agree to bring his rapping skills to the show, but he's bailed on him twice before.

James shared: "Kanye has been booked to do [it] twice now but both times something came up. "He'll do it eventually... He wants to do it."

James previously admitted doing Carpool Karaoke with Elton was worth "hundreds of thousands of dollars".

He said: "We did 'Crocodile Rock,' and it's flamboyant.

"To sing 'Tiny Dancer' with Elton John in a car, you just think: If this was an auction prize, it would go for hundreds of thousands of dollars. I feel lucky every time I get in the car with any of these people who I just really admire and respect."

And the British funnyman thinks his carpool guests have an equally nice time belting out their back catalogues.

Discussing Chris Martin's recent appearance, he said:

"After every song he was like, 'Oh, I haven't heard that for ages!' Or, 'It brings me back to where I wrote this!.

"It's actually quite a lovely thing for them to reminisce; they hear their whole career in eight songs."

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