Kim Zolciak took to Twitter Tuesday after an Instagram user accused her of photo-shopping pictures of her children.

Last month, the Real Housewives of Atlanta alum, 40, posted shots of her twins Kaia and Kane Biermann, four.

The shots fell under the scrutiny of the reality star's followers who pointed out that Kim allegedly posted a shot, took it down, and re-posted it with alterations slimming the children's figures.

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Hitting back: A fiery Kim Zolciak took to Twitter Tuesday after an Instagram user accused her of photo-shopping pictures of her children. She was snapped last year in Connecticut

‹ Slide me › Her daughter's waist appears notably slimmed in the second version

The @wigzncigs account claims it's focused on 'exposing Kim Zolciak-Biermann and her family for the liars & frauds they are!'

The Don't Be Tardy had a fiery resonse to the effort when a Housewives blog featured the Instagram user's comparison as a news item.

'People are f***in SICK!! Get the f*** out here!!' tweeted Kim, who shares the tots with her husband, former Atlanta Falcon defender Kroy Biermann.

She denied altering any of the family shots she posted, and vowed to take a stand in the matter.

Response: Kim pushed back on allegations she's photoshopped her kids

'No post was taken down and no photo has been nor will ever be edited of my children! I will no longer stand for this bulls***!'

Zolciak has repeatedly denied using Photoshop to manipulate the images she posts: In 2015, she said in a clip on the site that she doesn't do so because she doesn't need to; she addressed the issue again in a post in 2016.

'I don't have to photoshop anything,' Zolciak said in a caption to a bikini pic she posted. 'Reading the hilarious comments on Instagram.

'You guys, I swear - half the time I don't even read them anymore because they're so f***ing comical.'