'I'm more nervous on runways now' than when I was 21': Naomi Campbell, 46, admits she feels 'vulnerable' on the catwalk alongside younger models

She has worked as a model for three decades, and was one of the original 'supermodels' alongside Linda Evangelista, Christy Turlington and Cindy Crawford.

But despite her experience, 46-year-old Naomi Campbell admits she gets jittery when walking the world's runways alongside some of today's young pretenders.

'I feel nervous when I walk out [onto the runway],' she tells the March issue of Town & Country magazine. 'I just try to make it down in one piece and make it back in one piece. I enjoy it, but I'm nervous.'

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Set to stun! Naomi Campbell sizzles in shots from the March issue of Town & Country magazine in a stunning Carolina Herrera gown 

She adds: 'Especially now. I mean, I'm 46, and these girls are 21 or 18… I don't know if it's about the age thing, necessarily, but for me there's always a vulnerability there.'

Naomi began modelling after being discovered at the tender age of 16 while shopping in London's Covent Garden.

And even as she nears 50, she's still in demand as a model, posing in several stunning shots for the magazine where she shows off her enviably slim figure in midnight blue Carolina Herrera.

One sultry shot shows her draped on a green velvet couch sporting towering matching Azzedine Alaia heels.   

Slim and trim: Naomi flaunts her stunning figure in a Lanvin gown split to the hip

Steal the spotlight in a satin slipdress like Naomi

Naomi Campbell covers the latest issue of Town & Country magazine and at the tender age of 46, she proved that she's still got it. The British supermodel looked ageless as she posed in a Carolina Herrera one-shoulder gown and this Lanvin slipdress.

The satin stunner hails from the French brand's Spring 2017 collection so it's not yet available to the masses. But you can still check out their latest styles at Neiman Marcus with a click to the right.

Naomi showed plenty of skin in this backless beauty with its thigh high slit and thin straps. We can't get enough of the expert draping and two-toned black and white hue.

Steal Naomi's supermodel style with a pick from the edit below. With options from Raey, Silence + Noise, DKNY and Boohoo there's something for everyone.

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Another shot features her in a low backed Lanvin gown slit to the hip with coordinating Paul Andrew heels.

The model, who has also started acting in U.S. TV fantasy series Star, also discusses her friendship with Nelson Mandela, who passed away back in 2013.  

'He was always there for me, and he never judged me,' she says. 'He was very instrumental in showing me that I have the ability to help others.

'He's the one who sent me to do fieldwork for his children's fund, and when I would get too emotional in the beginning he would coach me about crying in front of the kids and learning to deal with it.'

She's in fashion: Naomi Campbell is still in demand as a model aged 46 

The star has continued her charity drive, setting up a fundraiser for the victims of Hurricane Katrina back in 2005. 

'I was shocked seeing all these people walking around the streets of New Orleans with nowhere to go, with their homes in their bags,' she recalls. 

'So I picked up the phone and called Teddy Forstmann, who owned IMG at the time, and said I needed to put together a benefit show in seven days.'

Back in te day: Naomi pictured, aged 21, on the runway for Thierry Mugler in Paris

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