Kylie Jenner partied with her sisters Kendall Jenner and Khloé Kardashian at the launch of her latest Khy collaboration.

The party was to celebrate the collaboration with London fashion designer Dilara Findikoglu.

Kylie’s family and friends stepped out to support her, including mom Kris Jenner, 69, and Hailey Bieber, 28.

The party goers also included LeBron James, Lori Harvey, Amelia Gray Hamlin and Bachelorette alum Gabby Windey.

In a video shared by Khloé on Instagram, Kris  enthusiastically exclaimed, ‘We’re out and about. 

‘We finally left the opposite side of the city, and we’re hanging out celebrating Kylie tonight, celebrating Khy, new launch, congratulations! We love you, Kylie.’

Kylie put on a busty display in a fire engine red bra at the event

Kylie Jenner partied with her sisters Kendall Jenner and Khloé Kardashian at the launch of her latest Khy collaboration

Kylie spoke about the collaboration with the Turkish designer in an Instagram post. 

‘Introducing KHY x @dilarafindikoglu. It has been a dream to partner with Dilara Findikoglu,  a brand I’ve worn and admired for years.’

Read More Kylie Jenner divides fans as they spot MAJOR change to her appearance

She continued, ‘We developed a collection that combines femininity and Sєxiness with meticulous construction. I can’t wait for you to see everything.

Hailey and Kendall attended the party in looks from the collaboration.

Hailey wore a taupe corset top with a square neckline and long sleeves, which she paired with a matching mini skirt.

Kendall’s sheer black dress also contained corset details. The dress has sheer lace panels and a ruffled neck and long sleeves.  

Kylie served up a generous helping of décolletage in a plunging red-H๏τ bra and tan miniskirt, which she showed off in a selfie video from the car en route to the event.

Over the course of the party, her Insta Stories also offered a glimpse of her elder half-sister Khloe Kardas

The new line from Khy features a mix of wardrobe staples, basics and investment pieces. 

Hailey wore a taupe corset top with a square neckline and long sleeves, which she paired with a matching mini skirt

The party was to celebrate the collaboration with London fashion designer Dilara Findikoglu

Jenner rocked a racy red bra as a top and beige miniskirt

Kylie’s family and friends stepped out to support her, including mom Kris Jenner, 69, and Hailey Bieber, 28

In a video shared by Khloé on Instagram, Kris enthusiastically exclaimed, ‘We’re out and about’

The party goers also included LeBron James, Lori Harvey, Amelia Gray Hamlin and Bachelorette alum Gabby Windey (Pictured here)

Hailey shared a cute snap of herself with Kylie at the party on her Instagram Stories

On Saturday, Kylie shared an Instagram post celebrating Khy’s new line and fans immediately noticed a major change to her appearance. 

‘Introducing KHY x @dilarafindikoglu.’ she wrote introducing the new fashions.

‘It has been a dream to partner with Dilara Findikoglu, a brand I’ve worn and admired for years.

‘We developed a collection that combines femininity and Sєxiness with meticulous construction. 

‘I can’t wait for you to see everything. Launching Wednesday 5/28 at 9AM PT exclusively on khy.com.’ 

In the pH๏τos, she applied makeup over her thick black eyebrows to make them disappear, giving her a spooky, otherworldly look.

But by the time of her party, the Kylie Cosmetics mogul had reverted to her usual look with her eyebrows.

Absent from the soiree was Kylie’s boyfriend Timothee Chalamet who also skipping the Met Gala in favor of a night in with his guy friends.

Kris continued, ‘We finally left the opposite side of the city, and we’re hanging out celebrating Kylie tonight, celebrating Khy, new launch, congratulations! We love you, Kylie’

Khloe and Kylie shared some sister love at the party

An insider has shared that the couple, who were first linked in April 2023 and went public with their romance that September, are ‘practically living together.’

The source dished: ‘Kylie’s really happy and relieved they finally made their debut. It was time and she wanted to publicly support him and show how proud of him she is.’

Timothee and Kylie ‘have gotten really serious, and this was a big step,’ the insider explained while discussing the couple to Us Weekly.

‘They are practically living together at this point, as he stays at her house often when he is not working. He has been fully integrated into her life,’ shared the source.

‘They are in a really good place. He makes her feel calm and confident and it is a different relationship from what she has had in the past.’