, 23, was slammed for getting too dark from tanning, in a new bikini pic she posted.
In the controversial pic, is seen lying face-down on a blue polka-dot towel.
Her skin appears to have gotten very tan from sunbathing.
She commented: "I actually was only going to keep it up until we sold out of our bikini :) never did anything wrong.
"I can't help how tan I get from laying out sun up to sun down at the beach everyday!"
But that didn't stop followers from bashing her.
One wrote: "WITAF is wrong with these tone deaf, hypocritical hillbillies??!
"Feel free to copy pic & share over on @kimzolciak's feed since she blocked me for outing her fake Chanel shoes."
Others wrote: "lol brielle biermann tried it. she really tried it but the comments got so flooded so fast. like girl just embrace being white. i hate being the color of milk too but you don’t see me black fishing.
Another added: "But, why is she so dark? I mean. Girl."
and her younger sister, Ariana, have been helping to promote her mom and alum new swimsuit company, Salty K.
Her eldest daughters are from her first marriage, to Daniel Toce.
She is now married to Atlanta Falcons football player Kroy Biermann, and they share four children of their own - Kroy, Kash, Kaia and Kane.
Biermann officially adopted Brielle and Ariana in 2013.
Kim Zolciak shows off perky bum in tiny thong bikini after daughter Brielle accused of ‘blackfishing’ in sexy photos