Holly Willoughby flashes her thigh in teasing tulle skirt

Fans of Holly Willoughby’s are used to seeing her rocking the glam mummy chic look.

But her new Diet Coke campaign is a different matter altogether.

The 36-year-old TV star has undergone a striking transformation for her role as ambassador for the drinks brand, unveiling a striking, stripped-back style to continue the brand’s Get The Gang Back Together campaign.

Woman in black: Holly Willoughby flashes her thigh in a teasing tulle skirt and dons a busty semi-sheer bodice and killer boots as she poses sultrily for Diet Coke campaign

In stark contrast to her usual persona, Holly shows off her edgy side in the shots, slipping into a head-turning gown which does nothing but show off her phenomenal beauty.

Holly poses for the images in a black, semi-sheer bustier and an extravagant tulle skirt.

The sweeping number leaves a teasing split in it, allowing the Celebrity Juice star to tease her lengthy pins and her supple thigh.

Holly’s look is completed with some killer high-heeled boots, adding to the sex-kitten theme of the shoot.

Change of direction: Fans of Holly Willoughby's are used to seeing her rocking the glam mummy chic look

Change of direction: Fans of Holly Willoughby’s are used to seeing her rocking the glam mummy chic look

New look: In stark contrast to her usual persona, Holly shows off her edgy side in the shots, slipping into a head-turning black, semi-sheer bustier and an extravagant  tulle skirt

New look: In stark contrast to her usual persona, Holly shows off her edgy side in the shots, slipping into a head-turning black, semi-sheer bustier and an extravagant tulle skirt

Smouldering: In other shots, Holly rocks a sleek black trouser suit, with nothing on under the plunging jacket top which teases a hint of her torso through the loosely fastened buttons

Smouldering: In other shots, Holly rocks a sleek black trouser suit, with nothing on under the plunging jacket top which teases a hint of her torso through the loosely fastened buttons

She is also styled only with striking silver accessories, tousled hair and sports a bare face.

In other shots, Holly rocks a sleek black trouser suit, with nothing on under the plunging jacket top which teases a hint of her torso through the loosely fastened buttons.

In the shots, Holly sips seductively from a bottle of Coke using a straw.

The photos ties in with brand’s new on-pack promotion offering fans the chance to win £5,000 every day for six weeks.

Take a sip: In the shots, Holly sips seductively from a bottle of Coke using a straw

Take a sip: In the shots, Holly sips seductively from a bottle of Coke using a straw

Speaking about her new look, Holly said: 'I¿m really excited to show everyone this side of me as it¿s not a look that I show very often'

Speaking about her new look, Holly said: ‘I’m really excited to show everyone this side of me as it’s not a look that I show very often’

She added: 'People assume that I love a glamorous look 24/7, but in reality, you have to pin me down to put make-up on me! I love nothing more than to wipe away my make-up, but as we sometimes know, it takes more time and effort to get that great, natural look!'

She added: 'People assume that I love a glamorous look 24/7, but in reality, you have to pin me down to put make-up on me! I love nothing more than to wipe away my make-up, but as we sometimes know, it takes more time and effort to get that great, natural look!'

She added: ‘People assume that I love a glamorous look 24/7, but in reality, you have to pin me down to put make-up on me! I love nothing more than to wipe away my make-up, but as we sometimes know, it takes more time and effort to get that great, natural look!’

Speaking about her new look, Holly said: ‘I’m really excited to show everyone this side of me as it’s not a look that I show very often.

‘People assume that I love a glamorous look 24/7, but in reality, you have to pin me down to put make-up on me! I love nothing more than to wipe away my make-up, but as we sometimes know, it takes more time and effort to get that great, natural look!’ 

Holly was announced as Diet Coke’s brand ambassador in January 2017 and has been working with them in the UK to support the Get The Gang Back Together Campaign, which encourages friends to get together more often.

On Monday she posed for a snap in her dressing room, in a cute little dress, ahead of her daily appearance on This Morning.

Natural: She is also styled only with striking silver accessories, tousled hair and sports a bare face

Natural: She is also styled only with striking silver accessories, tousled hair and sports a bare face

Natural: She is also styled only with striking silver accessories, tousled hair and sports a bare face

Never change your spots! Holly Willoughby continues to show off her effortless style and svelte physique in a blue leopard print dress and cute ankle boots

Never change your spots! Holly Willoughby continues to show off her effortless style and svelte physique in a blue leopard print dress and cute ankle boots

The mum-of-three posed in what appeared to be a blue and silver version of leopard print.

The petite dress showcased Holly’s svelte physique and her toned pins, and she finished off the look with black leather ankle boots.

She kept the look clean with a natural layer of make-up and no jewelry.

Holly wore her blonde locks in their trademark buoyant waves, loosely around her shoulders. 

Mood: Holly stars alongside Keith Lemon and Fearne Cotton on the weekly panel show Celebrity Juice

Mood: Holly stars alongside Keith Lemon and Fearne Cotton on the weekly panel show Celebrity Juice

Read more at DailyMail.co.uk