The Keeping Up With The Kardashians stars attended a party thrown by DuJour magazine to celebrate their new cover, and with all eyes on them for the evening, it was really only fair they stole the scene on the fashion front!
Older sister Kendall wore a sheer knitted top with a high-neck, sleeveless design, which she teamed with a pair of loose grey slim-fitting trousers with zips running up both sides.
The catwalk model kept her raven locks sleek, straight and oh-so-glossy and added an elegant edge to her getup with pointed black courts.
Meanwhile, Kylie opted for an all-black ensemble, teaming a crop top with loose jogger-style trousers and intricate lace-up heels.
She also wore a leather biker jacket which she draped across her shoulders, while flaunting her fave make-up look of oodles of falsies, perfectly-arched brows and contoured cheeks.
And although Kylie showed off brand new super-long extensions just a few days ago, it looks like she's already back to her bobbed hair ways!
The starlet's had as many new barnets as we've had hot dinners lately - earlier this month Kylie showed off a striking buzz cut, and she's previously rocked a blonde dip-dye and a bright blue ombre hue.
We just can't keep up!
What do you think of Kendall and Kylie's outfits? Let us know by commenting below as the best comment across the site each week wins £50!
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