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Kourtney Kardashian

Brian Bowen Smith

Sometimes, you just want to show it off!

Kourtney Kardashian gave followers quite the thrill Wednesday afternoon when she shared a provocative photo on her social media profiles.

With little to no warning, the 36-year-old decided to showcase one of the photos captured by Brian Bowen Smith. And if you haven't already noticed, she's butt naked!

With a simple smiley face emoji as her caption, the mother-of-three is seen facing a wall as she lets her long brunette hair down. Her tresses, however, aren't long enough to cover her butt that is seen front and center.

Kourtney Kardashian, Naked

Brian Bowen Smith

The photo is featured in Brian's Metallic Life Series that also included the reality star laying down in nothing but a black bracelet.

As soon as the pictures hit the web, many fans couldn't stop talking about them. In fact ex Scott Disick shared the imagine with a caption, "Now that's 1 hot mama."

For those wondering how the businesswoman looks so good, we've learned it takes a lot of hard work. A source recently revealed to E! News that Kourtney whipped her body back into shape thanks to a routine called the Don-A-Matrix.

The program is so valuable that Kourt "swears" by the regiment.

"We train anywhere from three to five days a week depending on what projects are coming up," her trainer Don Brooks shared with E! News back this summer. "[Our workouts last] anywhere from 45 minutes up to an hour."

It's safe to say the hard work is definitely paying off.

New episodes of Keeping Up With the Kardashians air Sunday nights at 9 p.m. only on E!