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Brielle Biermann, Kim Zolciak-Biermann

Charles Sykes/Bravo/NBCU Photo Bank via Getty Images

We already know that Kim Zolciak-Biermann's daughter Brielle is her total mini me, and now we're discovering she passed along another lucky quality in the gene pool: her hot body.

Yes, just like her mama, Brielle has one seriously amazing figure. The 18-year-old took to Instagram to share a throwback mirror selfie from her vacation a few weeks ago, wearing a teeny, tiny black bikini that has us saying one thing and one thing only: damn!

Brielle shrugged off the hotness of the photo with a nonchalant caption, writing, "Wishing the ocean didn't eat these sunglasses."

So how does she tone up her physique? Well, we hate to break it to you, but she only started working on her fitness a week ago.

The reality star shared a photo a few days ago with her trainer—who also happens to work with Khloe Kardashian's BFF Malika—and explained, "Y'all are always asking me what I do to stay so skinny and honestly I've done nothing but eat cheeseburgers everyday until this week! Working on becoming healthier and achieving the body I want thanks to my amazing trainer @ejadams17 who kicks my ass! all were missing today is @forevermalika!"

Meanwhile, Brielle made headlines earlier this week for another physical feature: her lips!

She shared a video of what it looks like to get lip injections, undergoing the procedure at the same Beverly Hills plastic surgeon that Kylie Jenner has credited for her plump out.

"My lips are my biggest insecurity," she wrote alongside the graphic video on Wednesday. "And I'm so happy w my results now."

Looks like she's on a mission to feel as confident as possible!