'Real Housewives of Atlanta' Season 6 Reunion: Porsha Lunges at Kenya as Co-Stars Nervously Watch On (VIDEO)

(PHOTO) Courtesy: BravoTV.com'Real Housewives of Atlanta' season 6 reunion show

The "Real Housewives of Atlanta" season 6 reunion show kicks off on Sunday and a newly released preview gives viewers a sneak peak of the brawl that occurred between Porsha Stewart and Kenya Moore.

Last month Moore made a 911 call to police claiming Stewart assaulted her at The Biltmore Hotel in Atlanta where they were filming the season 6 reunion show. The Bravo TV stars clashed throughout the season over petty drama and reports claim tension reached new heights as the cast rehashed old wounds at the reunion taping.

"What I will not do is have you talk over me ok?" Moore tells Stewart using a bullhorn.

Stewart and Moore are seated on one couch with their their costar Cynthia Bailey in between and as tensions rise, everyone grows more uncomfortable.

"You're a s--- from the 90s!" an enraged Stewart blasts Moore while snatching a prop from the former beauty queen.

"Shut up! You do not have the right to talk," a flippant Moore responded prompting Stewart to lunge at her.

Soon the Bravo TV stars come face to face as their co-stars nervously look on.

"I will f--- you up," Stewart openly threatens.

Stewart, who finalized her divorce from her former husband Kordell last year, has been at odds with the former Miss USA since joining the hit reality TV show in season 5. The reality star reportedly snapped during the reunion show taping over allegations that she was the former NFL star's "beard" during their two-year marriage.

"They did get into an altercation. Porsha stood up, so then Kenya stood up," one source told Us magazine.

"Porsha charged at Kenya and pulled her hair, but it was over in a matter of seconds," the source revealed with another clarifying that "Porsha never dragged her by her hair ... Andy [Cohen] and a producer jumped in and then security came."

Stewart is not the only cast member who clashed with Moore during the reunion show taping. Season 3 addition Phaedra Parks was left seething after Moore implied that the Atlanta-based attorney's husband Apollo Nida has been unfaithful during their marriage.

"You can't be a housewife because you don't have a husband," Parks is heard telling Moore to which she responds "I don't have to look very far because someone's husband strays!"

Also at the center of drama is NeNe Leakes, who at one point appears to butt heads with both Bailey and their costar Kandi Burruss.

Part 1 of the season 6 "Housewives" reunion show airs Sunday on the Bravo TV network.