Yolanda Foster and Lisa Rinna came face-to-face during a party on last night’s Real Housewives of Beverly Hills, and it wasn’t pretty.

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Although the two women previously spoke about Rinna’s Muchausen comment, Foster became further angered at the situation weeks later, and during a Beverly Hillbillies-themed bash at the home of Erika Girardi, she confronted Rinna in a big way.

"Yolanda Hadid Foster was on a mission, and her mission was to try to nail me to the wall with what she thought to be the facts,” Rinna recalled of their spat in her Bravo blog on Tuesday. "It’s obvious that she has it in her head that I am labeling her with Munchausen since she said numerous times that I am labeling her. In reality, what I did was inform her that she has already been questioned and labeled by others in our community."

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Ring went on to call out Foster for her hypocritical behavior.

"I was surprised when Yolanda said, 'I could say Lisa Rinna is unstable or bipolar, but I would never do that!' because, in essence, she just did,” Rinna wrote.

"Obviously, that statement was retaliation for my reading the definition of Munchausen. So, I guess we’re even-steven now,” she added.

For more of Yolanda Foster and Lisa Rinna, tune into The Real Housewives of Beverly Hills season six, airing on Tuesdays at 9 p.m. on Bravo.