Real Housewives star Kim Zolciak, Brielle Biermann stun Instagram in sexy bikini contest: Buns vs sideboob

Former Real Housewives star Kim Zolciak is known for showing off her figure on Instagram, but her new pic is part of a bikini body contest with Brielle.

Real Housewives of Atlanta alum Kim Zolciak often treats her Instagram fans to photos showing off her fabulous figure.

But Kim outdid herself when it comes to shock value by donning a bikini that seemed to top her daughter Brielle Biermann’s swimsuit when it comes to who is sexier.

Kim Zolciak Biermann makes sure her “buns” are out in the sun in bikini

Showing her sense of humor as well as her bikini body, Kim joked that the sun was out and her “buns” were out in her Instagram caption.

The photo showed Zolciak Biermann baring her legs, thighs, and back in a leopard print bikini that consisted of skimpy material.

With her hair tied up, Kim drew attention to her toned back as well as her, ahem, buns.

Fans noted that her cheeks appeared sunburned.

But the surprise aspect of the photo came in the fact that Kim shared her pic just after her daughter Brielle shared her photo, making it look like a contest.

Kim Zolciak wears leopard print bikini just one day after her daughter: Competing to outshine?

Radar Online pointed out Zolciak appeared to have timed her post and chosen her outfit to outshine her daughter Brielle Biermann’s swimsuit.

The 22-year-old hopped on a colorful jet ski to pose in her bikini for Instagram.

Some fans felt that it was a battle set up by Kim. While the 40-year-old clearly won for biggest butt, Brielle looked gorgeous in her very similar bikini.

And in the battle that involved Kim baring her buns, Brielle came through by baring her sideboob.

The young woman let her blonde locks flow freely over her tanned shoulders and arms, and she flirted with a hint of sideboob as she leaned forward on the jet ski.

So what do you think when it comes to who wore it best? Did Kim or Brielle look better in that leopard print bikini? Share your comments below.