The Kardashian-Jenners strip down for Calvin Klein

In January, the Kardashian-Jenner siblings unveiled their first high-end fashion venture as a family, disrobing for iconic American label, Calvin Klein.

Now, the first family of reality television have once again stripped down to their smalls for the brand’s Underwear and Jeans Autumn’18 campaign.

Khloe Kardashian, Kendall Jenner, Kim Kardashian, Kourtney Kardashian and Kylie Jenner for Calvin Klein Underwear and Calvin Klein Jeans Autumn'18. Image:  Willy Vanderperre

Sisters Kourtney, Kim and Khloe Kardashian and half-sisters Kendall and Kylie Jenner, star in a series of black-and-white images taken by house favourite, Willy Vanderperre.

Kim Kardashian for Calvin Klein Underwear and Calvin Klein Jeans Autumn'18. Image:  Willy Vanderperre

Dressed in Calvin Klein’s signature black and white sports inspired-underwear, the campaign sees a more natural and pared-back side to the glamorous siblings than we are used to seeing.

Kendall and Kylie Jenner for Calvin Klein Underwear and Calvin Klein Jeans Autumn'18. Image:  Willy Vanderperre

When the social media stars first posed for the brand for the Spring campaign in January, it was the presence of a blanket placed strategically on a then-pregnant Kylie (who had not yet confirmed her pregnancy) that set tongues wagging.

Kylie Jenner, Khloe kardashian, Kim Kardashian, Kourtney Kardashian and Kendall Jenner for Calvin Klein Underwear and Calvin Klein Jeans Spring 18. Image:  Willy Vanderperre

For their second act, it’s the presence of a heavily pregnant Khloe and a post-baby Kylie, who gave birth to her daughter Stormi in February -- four weeks before the campaign was shot -- that are the two strongest visuals.

Khloe Kardashian for Calvin Klein Underwear and Calvin Klein Jeans Autumn'18. Image:  Willy Vanderperre

The world’s highest-paid model and the second youngest Kardashian-Jenner sister Kendall, took on the role of photographer behind the scenes, documenting intimate moments from the shoot on her Contax T2 camera.

"It’s nice being on set and getting to take pictures of my sisters again. They’re all so beautiful, which makes them easy to photograph," Jenner told US Vogue.

"These are good memories to have."