It was a big day for Justin Bieber - first a win at the Grammys, then a viral video.

The pop star took out his first ever Grammy award for 2015 single Where Are you Now.

Following the ceremony Bieber joined James Corden for his third installment of Carpool Karaoke.

The duo appear dressed in matching white suits for the video which consists mostly of banter as Corden claims to be "late" to host the Late Late Show.

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"Iv'e got Chelsea Handler and Jason Schwartzman on the show, I haven't done any research," he says.

To which Bieber replies: "It's not that big of a deal".

Feigning angst at being in a rush Corden asks the Love Yourself singer to moisturise his face, before launching into Uptown Funk by Bruno Mars.

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They also compare goodie bags from the Grammys in which Bieber pulls out a Rolex, diamond bracelet, headphones, mini iPad and a private plane trip to the Maldives.

Meanwhile Corden reveals a Danielle Steel book, ChapStick, map of LA and a candle.

Both come together at the end for a special rendition of the Late Late Show theme song.

People took to Twitter to share their love for the clip, with many posting positive comments.

- nzherald.co.nz