When asked to explain why she was done with the show, the 39-year-old said it was “too much stress — unneeded stress” but that fans could still check her out on Don’t Be Tardy, which Bravo recently confirmed would be coming back for a seventh season.
Recounting the tension between Zolciak-Biermann and her longtime rival NeNe Leakes while filming the most recent RHOA season reunion, Cohen added, “[Kim] walked out of that reunion and I said, ‘Yeah, I’ve seen the last of that wig at these reunions.’ ”
Though a rep for Bravo previously had no comment to PEOPLE, casting decisions are typically made after a season’s reunion wraps.
Kim Zolciak-Biermann, Andy Cohen and NeNe Leakes
Zolciak-Biermann was one of the original Atlanta Housewives when the show first premiered in October 2008, before deciding to leave RHOA halfway through season 5.
“[RHOA] can be very combative. A lot of negativity,” she told PEOPLE in July, when looking back on her time on the show. “I just was extremely frustrated — it just was really a trying season for me. I had had enough.”
Asked at the time if she would consider rejoining the show for its 10th season, Zolciak-Biermann told PEOPLE she would consider it.
“I’m very motivated by money,” she said. “Everything has a price. I’m just giving it to you straight. Given the right amount of money for anything? Yeah, count me in. I like to work. I have six children to support, so for sure!”
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After agreeing to return to the show in season 10 as a “Friend of the Housewives,” Zolciak-Biermann quickly became involved in some major drama with fellow OG Atlanta Housewife Leakes. The most explosive incident came when Zolciak-Biermann said Leakes was “sick and disgusting” and lived in a “roach nest,” which came to be known as #RoachGate.
Leakes responded with her own slams, calling Zolciak-Biermann “racist” and claiming she and her daughter Brielle “don’t like black people.”
RELATED VIDEO: RHOA’s Kim Zolciak Says She Received Death Threats After NeNe Leakes Called Her ‘Racist’
In a preview for Sunday’s RHOA season 10 reunion part 2, Zolciak-Biermann and Leakes face off about their troubles in a heated battle that appears to lead to Zolciak-Biermann walking off the reunion stage in anger.
The Real Housewives of Atlanta reunion part 2 airs Sunday (8 p.m. ET) on Bravo