Kylie and James CaldwellKendall take Las Vegas!

Kylie Jenner and Kendall Jenner made a joint and stylish appearance in Las Vegas May 10. The Kylie Cosmetics founder wore a red sleeveless Whistle Latex midi dress by London-based brand Poster Girl, paired with Alexander Wang Nudie PVC sandals. The supermodel sported a strapless black mini dress and matching strappy sandals.

Inside a luxe private cabana at the at the LIV Beach dayclub at Fontainebleau Las Vegas, the two sipped cocktails made with Kylie's Sprinter vodka soda and Kendall's 818 Tequila while watching a performance by Sommer Ray and sipping Sprinter and bespoke 818 cocktails.

Kylie shared several pics and videos of herself with Kendall in Las Vegas, captioning her Instagram post, "Sister work day." Khloe Kardashian commented, "Yep…. You two are perfect."

The two were also seen serving drinks from behind the bar and also handing out samples to fans by the pool at the Marquee Las Vegas club at the Cosmopolitan hotel and casino.

"Pool season has officially arrived at #MarqueeDayclub's Summer Kickoff," read a post on the venue's Instagram, "where @kendalljenner and @kyliejenner surprised the party and kept the vibes going strong with @drink818 and @drinksprinter."

The sisters traveled to Las Vegas days after they attended the star-studded 2024 Met Gala in New York City. Kylie, 26, walked the carpet in a structured ivory Oscar de la Renta column gown, while Kendall, 28, arrived in a black, backside-baring Givenchy Haute Couture 1999 gown. (See all the stars at the 2024 Met Gala here.)

See photos of Kylie and Kendall on their "sister work day" in Las Vegas...

In May 2024, Kylie and Kendall traveled for a work trip to Las Vegas.

Kylie and Kendall sat together at a private cabana at LIV Beach at Fontainebleau Las Vegas.

Kylie took a selfie with a guest at LIV Beach.

The sisters appeared before the photographers.

Kylie and Kendall made cocktails made with the Kylie Cosmetics founder's Sprinter Vodka Soda and the supermodel's 818 Tequila.

Kylie and Kendall were all smiles inside their cabana at LIV Beach.

Kylie shared several pics with her sister on Instagram.

...including this selfie.

Until next time, Vegas!