They rocketed to fame as Hollywood offspring, but now boast impressive portfolios of globally-renowned modelling work, despite having only just hit their twenties.

And Gigi and Bella Hadid showed just what has landed them contracts with the world's biggest fashion houses as they posed in a sizzling photoshoot for British Vogue.

Gigi, 22, and Bella, 21, proved just how powerful they were as a sister act, posing naked in a black and white shoot for the high fashion black and white cover.

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They Hadidn't! Gigi and Bella Hadid proved just what has landed them contracts with the world's biggest fashion houses as they posed in a sizzling photoshoot for British Vogue

Making the most of their long and lean limbs, the statuesque beauties are seen entwined in the risque shoot, offering a glimpse of their enviable proportions.

While Gigi sports her blonde hair in loose wet waves, Bella contrasts her sister with her raven hair- a feature she opted to dye in order to distinguish herself from her elder sibling as she carved out her own successful career.

But both sisters sport the same chiselled bone structure, full pouts and stunning emerald-coloured eyes, unmistakable in the stunning photoshoot.

Additionally both sisters have landed their own colour cover, posing in the same asymmetric gold top.

It's in the genes! Additionally both sisters have landed their own colour cover, posing in the same asymmetric gold top

Opting for minimal make-up and accentuating her green eyes with a light dusting of gold eyeshadow, Gigi can be seen throwing her head back as she smoulders at the camera.

Meanwhile Bella faces the camera face-on, her dark hair contrasting her bright eyes and dewy complexion.

Speaking to Vogue during the shoot, Gigi revealed her protective streak of sister Bella, who is just 18 months younger than her.

Recalling looking into her sister's cot when she was just a tot, the blonde beauty admitted: 'She's one of the only people I'll get aggressive for. She makes me so proud. I would do anything for her.'

Sultry: Bella faces the camera face-on, her dark hair contrasting her bright eyes and dewy complexion

And she gave a rare insight into her life with Zayn, admitting she found it hard to get the right balance on social media.

'I post what I think would be normal to post of your boyfriend, the comments are: 'It's extra, it's fake.' But if I don't do it enough then it's: 'Oh they're fake, they're not really together.' I try to do what feels real to me, and do it with integrity.'

The sisters are children to Dutch model Yolanda Foster, 53, and Palestinian billionaire businessman Mohamed Hadid, 69, and also share brother Anwar, 18.

'I try to do what feels real to me': She gave a rare insight into her life with Zayn, admitting she found it hard to get the right balance on social media

Yolanda herself was a model, before joining The Real Housewives of Beverly Hills which offered a glimpse into the jaw-droppingly lavish home the family grew up in.

Gigi has been dating British former One Direction star Zayn Malik for over two years, but remains relatively private over their romance.

Meanwhile Bella split from former beau The Weeknd in late 2015, and was left heartbroken when he quickly moved on to Selena Gomez.

However the duo were seen together late last year, following his split from the singer.

In recent weeks Bella has reportedly been spending time with Los Angeles Lakers point guard Jordan Clarkson.

Both IMG-signed models' careers has been going from strength to strength with the duo walking for Victoria's Secret for the second year in a row, as well as posing for top fashion houses including Dior, Chanel, Givenchy, Miu Miu.

See the full shoot in the March issue of British Vogue, on sale Friday.