The 17-year-old reality star gave fans a sneak peek of her latest venture via Instagram, joking in the caption: "The basic workout attire."
Yep, just what we wear to the gym!
Another picture showed Kylie - who wore running bottoms over a swimsuit - in the runner's starting position. Yay thank you @reebok for the #Zpump shoes! I think I might take on Hollywood Hills now for a run. Gotta take off all this jewellery first #getpumped."
The Keeping Up With The Kardashians star was sporting super long hair extensions for the photoshoot – and we reckon they really suit her!
Kylie has been sporting a chic shoulder-length 'do lately, including last weekend when she was in London on a whirlwind visit.
We wonder if the long locks are here to stay?!
In other Kylie news, she and sister Kendall, 19, have just announced they're releasing their very own mobile app game.
The youngest members of the Kardashian Jenner clan are following in the footsteps of Kim Kardashian West, 34, who released her Kim Kardashian: Hollywood app last year to mega success.
Why is Kylie Jenner famous? Find out below!
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