Kylie Jenner and Sister Kendall Pose in Chic Dr...

Kylie Jenner and her sister Kendall Jenner are kicking off another hot-girl summer! Kendall, 28, supported Kylie, 26, at an event at Marquee in Las Vegas promoting 818 Tequila and the Kylie Cosmetics founder's new vodka soda drink, Sprinter

Published Time: 12.05.2024 - 01:31:09 Modified Time: 12.05.2024 - 01:31:09

Kylie Jenner and her sister Kendall Jenner are kicking off another hot-girl summer!

Kendall, 28, supported Kylie, 26, at an event at Marquee in Las Vegas promoting 818 Tequila and the Kylie Cosmetics founder's new vodka soda drink, Sprinter.

The dynamic duo proved that while at work, sometimes it's best to go back to style basics. Kendall wore a strapless little black dress to the event, as seen in a post on Kylie's Instagram account on Friday, May 10.

Kylie stood out in a skin-tight red latex tank dress that hit below her knees.

"Sister work day@drinksprinter@drink818," the mom of two captioned a carousel post on Instagram that featured selfies with Kendall and a video of the sisters posing for photos in a space that appeared to be outdoors.

"Yep… You two are perfect," their older sister Khloé Kardashian commented on the post.

As seen on Marquee's Instagram Stories on May 10, Kylie and Kendall worked as bartenders at the nightclub's summer kickoff event, and also spent time serv -

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ing drinks and toasting with fans.

The laid-back event came just days after Kendall, Kylie and some of their sisters attended New York City's biggest fashion event — the annual Met Gala.

Kylie wore a pale pink Oscar de la Rentagown to the star-studded affair at New York City's Metropolitan Museum of Art on Monday, May 6. This year’sdress code was “The Garden of Time,” inspired by the “Sleeping Beauties: Reawakening Fashion” exhibit.

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Meanwhile, Kendall wore an Alexander McQueen fall 1999 look for Givenchy haute couture, sparking a debate online about whether she actually was the first-ever person to wear the look, as Voguereported.

The model said that no "human" had ever worn the black gown, which featured beading and a scalloped back detail.