The cat claws come out on tonight's Real Housewives of New York City reunion.

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"It's like Vietnam," Bethenny Frankel tells "I keep having flashbacks from it."

On the show -- which airs on Tuesday and Thursday on Bravo -- the girls address a wide range of issues, from Kelly Bensimon's alleged attack on her younger boyfriend to Ramona Singer insulting Countess LuAnn de Lesseps over her ex's age.

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"Everything came out," Frankel tells Us, "and it was off the rails. Really, absolutely crazy."

These days, Frankel tells Us that she has a sense of humor about her past bickering sessions with Bensimon.

"We're going to do a Pay-Per-View event at Madison Square Garden, a mud wrestling event," she jokes. "Then we can at least profit off of this. It can't get any crazier, though."

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Bensimon also seems to be over the feud.

"Honestly, I don't hate her," she tells Us. "I actually really respect her. It's not easy trying to start a business and be single in New York."

"We can be cordial," adds Bensimon. "I'm not going to go out of my way to, like, be a bitch."