It's know secret that Khloe Kardashian works hard on her body ... and it shows!
The "Keeping Up With the Kardashians" star took to Instagram to show off her super slim waist and famous booty, putting all of her curves on display in a black crop top and black and white striped body-con skirt.
"Today's glam session with these two @beau_nelson and @jenatkinhair. TGIF!!!" she wrote, crediting her fabulous glam squad.
Khloe is celebrating her 31st birthday today -- and she's certainly lookin' good doing it!
As the youngest Kardashian sister celebrates her big day, her sister, Kendall Jenner, also has something to celebrate!
The 19-year-old model has "broken the internet" with one of her Instagram pics, surpassing Kim Kardashian and Kanye West's infamous wedding photo as the most-liked photo on the social media site.
It seems this pic of Kendall with her hair displayed in heart crown has gotten 2.48 million likes, while Kimye's gorgeous first wedding snap only has 2.47 million double taps.
After hearing the news of her triumph, Jenner went on Twitter to poke fun at her sister and brother-in-law, writing, "Take that KimYe!"