Kim Kardashian isn't afraid to show a lot of skin -- even during a work out!

Khloe Kardashian took to Vine to share a video of sisters Kim and Kendall Jenner having fun before spin class -- but, we couldn't help but notice the new mom's revealing gym attire!

Kim rocked an all-black ensemble for the class with a fitted zip-up jacket, a deep-v-neck top, black cropped leggings and lots of cleavage. And, while most spinners opt for no-makeup for the rigorous workout, the brunette beauty wore a full-face of makeup including major lashes.

Kanye West's leading lady has been trying a variety of workouts since giving birth to daughter North West in June 2013. Last week, she was spotted filming "Keeping Up With the Kardashians" with Blac Chyna at Barry's Bootcamp. 

Kim's hard work has clearly paid off -- and we have no doubt she'll look amazing in her wedding dress!

What do you think of Kim's glamorous workout look? Tell toofab in the comment section, and click "Launch Gallery" below to see more of her hottest TwitPics!


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