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Kim Zolciak, Kroy Biermann

Tom Briglia/FilmMagic

Kim Zolciak-Biermann knows how to taking things in stride.

The former Real Housewives of Atlanta star found herself thrust into the spotlight Thursday after a former Indiana Pacers cheerleader came forward with allegations that she hooked up with Zolciak's hubby, Kroy Biermann, before the reality couple were married.

But Zolciak isn't letting the accusations bog her down: She quickly took to Twitter to let fans know exactly how she's feeling.

"Another day another stupid story!" she tweeted Thursday. "Meanwhile my husband and I sit back and laugh!"

That story involves a 25-year-old ex-cheerleader named Elizabeth Seward, who alleges to In Touch that she met Zolciak's NFL hubby in January 2010 in Indianapolis and carried on an affair with him well into July—two months after he supposedly began dating Zolciak in secret.

Biermann and Zolciak ended up tying the knot in November 2011 and now have two sons together.