Posh totty: Made in Chelsea star Rosie Fortescue strips off to model twin sister's underwear line Cheek Frills

Let it never be said that the Made In Chelsea girls don’t earn their spot in the limelight. 

The latest venture from one of the glossy posse is as the face of a new UK underwear label, Cheek Frills.

Rosie Fortescue, 22, best known for getting her knickers in a twist over snogging other girls’ boyfriends on the hit show is now getting them out for another reason: to support her twin sister Lily, who helped design the range. 

Sister sister: Made in Chelsea star Rosie is helping her twin sister with her new underwear line

Slim twins: The girls show off their tones physiques in the new underwear range

The knicker sets feature a Days of the Week collection, should you need reminding, and an Around the World set with words like London, New York, Paris, Sydney and Milan stretched across the front.

 

There will also be bras, vests and boy shorts on offer. The label is being billed as ‘the most comfy and fun knickers around’ and are made from 100 per cent cotton.

Sister secrets: The girls posed on set in the underwear which is billed as 'the most comfy around'

Showing off: The usually demure Rosie stripped off for the shoot and bared all

Cheek Frills: The underwear has different days of the week printed on it as well as European city names

This was the twins’ first official shoot together and Lily’s first venture into the underwear world. She is said to be the more rebellious of the two, born two minutes later, but until now has stayed out of her sister’s spotlight.

Rosie has long been a follower of fashion with a blog called atfashionforte.com

Rosie said, ‘When I first heard about Cheek Frills, I thought what a fantastic idea.  I have always struggled to find a cool and comfy knicker brand that is not all about g-strings.  

'I have always loved the Days of the Week knickers and these are my favourites. Plus they look hot too!  

'Lily and I had so much fun shooting the campaign which really comes across in the pictures.’

The Cheek Frills undies will go on sale 8 October in Selfridges, Brown Thomas, Donna Ida, Austique and Shopbob but at £15 a pair, might not be quite the cheap thrill imagined.

They're naturals: This was the twins first official shoot together

All dressed up: Lily chose to stay out of the limelight unlike her sister Rosie who is a firm reality TV fixture