Move over Harry Styles, there’s a new topknot in town and it belongs to Justin Bieber...

Following in the legendary footsteps of Leonardo DiCaprio, Harry Styles and Jake Gyllenhaal, Justin Bieber is the latest celeb to rock a man bun. Yes, you heard correctly. The pop-sensation debuted his new ‘do on the red carpet at Sean Penn’s Haiti Fundraising event on Saturday night, and boy did he look good.

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Love or hate them, man buns are a thing, and it seems that they are here to stay. Not that we’re complaining though, because some of the hottest men in showbiz have sported one.

Also known as the ‘girly’ hairdo, or the ‘mun’, man buns became huge in 2015, with men worldwide sporting the hairstyle. Plus, let’s not forget the invention of the clip-on man bun (although we would rather have this erased from our memories altogether).

But somehow, against all of the odds, JB has managed to pull off this tricky hairstyle. He really is conquering the world, one hairdo’ at a time. And dare we say it, but in our books, his teeny bun has rivaled both Harry’s and Leo’s famous updos, big time. Not only is Justin’s bun a practical and quick hairstyle for him to wear at events, but it also showcases his latest tattoo, a pair of wings on the back of his neck.

Justin can’t take all of the credit for his hot new ‘do though, because none of this would have been possible without the help of his other half, Hailey Baldwin.

I'll take that

A post shared by Justin Bieber (@justinbieber) on

The pair, who are rumoured to be dating, recently snapped pictures of each other on holiday in Mexico together. In a picture that JB posted to Instagram, Hailey can be seen lending him a hair band. And it can only be concluded that this is where his love of man buns began…

VIDEO: SEE JUSTIN BIEBER’S CHANGING FACE OVER THE YEARS

Arianna Chatzidakis.