The WWHL host is shook like never before after this Real Housewives of Atlanta moment.

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Andy Cohen has seen a lot in his time as an executive producer of The Real Housewives. Still, nothing prepared him for what just went down on The Real Housewives of Atlanta.

In the December 8 episode of RHOA, Kenya Moore not only crashed Marlo Hampton's wig launch event but she also brought along a marching band in an effort to drum up some promotion for her own hair care line. Of course, that caused things to get a little chaotic, ending with Marlo asking security to escort Kenya out.

Andy still can't believe all of this actually happened. "I've seen a lot, y'all," he said on Watch What Happens Live with Andy Cohen on December 8 (clip above). "This was something."

Eva Marcille hasn't been on the best terms with either Kenya or Marlo this season of RHOA, but even she couldn't deny just how awesomely outrageous this moment was during this episode of WWHL. "I wouldn't do it, but it was hilarious. It was absolutely hilarious," she said. "I'm here for it."

Andy added, "My mouth dropped."

Eva even said that the move was reminiscent of Queen Bey herself, with whom Kenya has long said she has shared similarities. "Cynthia [Bailey] told me there was a marching band, but I just thought she was putting on because there is no way this lady brought a marching band," Eva said on WWHL. "And it was full Beyoncé."

As far as what the future holds for Kenya and Marlo after all of this drama, Eva said during the WWHL After Show that she's actually optimistic about the two of them moving on from this. "I mean, don't get me wrong, what Kenya did was petty, but Marlo is Queen of Petty, created petty," Eva explained. "So she cannot be mad at Kenya for what she's done because Marlo has done 10 times worse."

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Catch up on this season of RHOA through the NBC app, and be sure to check out new episodes Sundays at 8/7c on Bravo. Relive this jaw-dropping RHOA moment, below.