Kim Kardashian and her younger sister, Khloe, decked out in Sєxy ‘denim and diamonds’ to fit the Dolly Parton-inspired theme for Khloe’s lavish, 40th birthday bash.

The SKIMS founder, 43 – whose private jet was recently visited by aircraft rescue firefighters in L.A. – flaunted her look on her Instagram stories on Saturday, with the birthday girl excitedly doing the same.

The Good American founder notably turned one year older earlier this week on Thursday – and received special tributes from family members such as Kim and also mom, Kris Jenner.

In one clip uploaded by Kim, she could be seen taking a quick selfie video in the reflection of a mirror inside her spacious closet.

She donned a light blue, denim corset top with with glittering, cross-shaped embellishments on each side.

The reality star additionally wore a pair of matching, denim trousers that were secured with string around the waist.

Kim layered the ensemble with a fuzzy, blue scarf that draped down her arms towards her elbows and carried a baby blue purse in her hand.

Her dark locks were parted in the middle, and effortlessly flowed down past her shoulders in light curls.

The mother-of-four added chunky, silver necklace as well as sparkling bracelets on each of her wrists to accessorize the outfit.

While filming, she explained to her followers that the ‘vibe’ for the night was ‘denim and diamonds. So I’m wearing a denim color.’

The TV personality revealed that she was sporting a custom-made outfit from the brand, Chrome Hearts, by Jessie Jo Stark.

She then turned around to also flash a glimpse of the details on the back of the ensemble, such as another dazzling, cross-shaped embellishment on the pants.

Kim later gave a closer look at the ensemble while sitting inside a vehicle as she headed to the party.

In one pH๏τo, the star put on a busty display as she showed off the various necklaces that she wore, including one piece that had a large, cross pendant.

While appearing to be next to Khloe in the car, she uploaded another snap and added the text: ‘We’re on our way @khloekardashian Happy 40th Birthday baby.’

Khloe also jumped to her own Instagram stories to flaunt her own outfit for the special festivities.

The mother-of-two also filmed herself while sitting comfortably inside a car as she made her way to the big bash.

She donned a strapless, denim corset that was decked out with sparkling, rhinestone details and also opted for an ᴀssortment of glittering necklaces.

On her main page, Khloe also shared a before and after clip as she got ready for the party. The star could be seen sitting in a chair as she had her makeup done, with the reel quickly jumping to her finished look.

Along with the denim corset, the beauty also wore a pair of cutout jeans as well as a denim cowgirl hat that was placed on top of her flowy locks.

Her makeup was glammed up, and comprised of a voluminous lashes as well as a light shadow around her eyes.