Kim Zolchiak-Biermann flaunted her figure in a skin-tight swimsuit in an Instagram pic she posted on Wednesday, and the "Real Housewives of Atlanta" star took the opportunity to thank her plastic surgeons for helping her feel sexy and confident after her most recent pregnancy.

"So you all know after the twins I had a hernia and while fixing the hernia I opted to have a tummy tuck as well!" Zolchiak captioned the sexy selfie. "My scar is very low and very thin much thanks to @drhochstein but I still had a scar. I could wear bikinis you would never see it."

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"I showed @simonourianmd1 my scar he did coolaser on it ONE treatment and look! You can't even see my scar!" Zolchiak continued. "I love these 'Baywatch' bathing suits but never thought i could wear one! THANK YOU to 2 amazing doctors who love what they do and they do it with passion!"

The 37-year-old reality star gave birth to twins -- son Kane Ren and daughter Kaia Rose -- in November 2013. Zolchiak and her husband, NFL star Kroy Biermann, share two other children as well -- 4-year-old son Kroy Jagger, and 3-year-old son Kash Kade.

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Zolchiak also has an 18-year-old daughter, Brielle, and a 14-year-old daughter Ariana, from previous relationships.

The mother of six has never shied away from talking about her various plastic surgery procedures, including previously praising her tummy tuck in a gym-selfie showing off her toned abs last year.

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However, Zolchiak has also adamantly denied having surgery on her face, after reports surfaced claiming that she had undergone a facelift. Zolchiak staunchly shot down the reports, tweeting, "This is ridiculous! Top doctors my ass! I have no had surgery on my face period!"

However, she had openly admitted to frequently undergoing Botox treatments to maintain her appearance and to help with "migraines."

WATCH: Kim Zolciak Suffers Mini Stroke: 'My Speech Was Gone'

Recently Zolchiak found herself in the hospital, but not for an elective procedure. While filming the most recent season of Dancing With the Stars, the RHOA star suffered a "mini-stroke" that landed her in a hospital bed and ended up getting her disqualified from competition on DWTS.

Check out the video for a look at Zolchiak's life-threatening medical scare.

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