Hailey Bieber rocks a cheeky yellow bikini in throwback snap for Poosh article

Just last week, the Kardashian/Jenner brood pranked called her and her husband Justin Bieber during a Facetime call – which featured all six ladies – Kourtney, Kim, Khloe, Kris, Kylie and Kendall.

And on Monday afternoon, Kourtney Kardashian’s lifestyle brand Poosh shared a sultry throwback picture of Hailey Bieber.

The image comes as Kourtney revealed that the Poosh shop 2.0 is open, which features the site’s favorite things.

The image of Hailey in the yellow bikini is actually a throwback the blonde shared in August while in Jamaica.

She showcased her fit form in the cheeky two piece, adding coordinating Nike sneakers.

Hailey turned back for the sultry snap, as she posed on the stairs.

The image was reused by Poosh on their Instagram page to promote a new article about derriere tightening workout moves on their website.

Its the second time the shop on Poosh has been opened, which includes a variety of products and goods.

The site features lingerie, skincare, toothpaste, protein bars, matcha tea for drinking, wellness supplements, as well as sexual health products.

One of the more expensive items includes the LED Light Shield Mask for $190 and also a Beaute By Chance LVLC Serum for $170.

Last week, Kourtney, Kim, Khloe, Kris, Kylie and Kendall pranked a bunch of their celebrity friends as well as family pals by Facetiming them from Lake Tahoe.

The family were seen with stern facing as all six of them waited for each celebrity or friend to accept their Facetime call.

Each time a celeb saw they were being greeted by all them, most of them burst into laughter or seemed confused.

Celeb pals including Hailey and Justin Bieber, Jennifer Lawrence, Tyler The Creator, David Chappelle and more.