Kendall Jenner Showed a Lot of Leg at Kylie's Birthday Party

Kendall Jenner shows a whole lot of leg with a super sexy slit in her skirt while entering The Nice Guy on Sunday night (August 9) in West Hollywood, Calif.

The 19-year-old model was joined by her pal Hailey Baldwin to celebrate her younger sister Kylie Jenner‘s 18th birthday with their friends.

PHOTOS: Check out the latest pics of Kendall Jenner

“I BE IN THE KITCHEN COOKIN’ PIES,” Kendall captioned a photo of herself at the event. See the Instagram photo below!

Make sure to watch the video of Kylie being gifted a new Ferrari by her boyfriend Tyga.

25+ pictures inside of Kendall Jenner showing leg at the party…