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For more from Manzo -- including one of the craziest lies Manzo claims Staub ever spread about her; details on plans to return for one special episode; and who really leaked Staub's buzzed-about sex tape -- pick up the new Us Weekly, on newsstands Wednesday!

Staub, she adds, "will make up whatever lie she can to hurt you, and it’s dangerous. Who wants to be associated with that?"

VIDEO: See Dina and Danielle get into a screaming match on Dina's last show

"That whole night at The Brownstone just put me over the edge," Manzo, 38,Giorgio Armani, tells Us Weekly. "Danielle became all we ever talked about! I wanted to film some fun stuff. I thought I signed on for a nice family show and it really turned in a different direction."

Dina Manzo shocked fans Monday night when she announced she is leaving the Bravo hit The Real Housewives of New Jersey -- and in the new Us Weekly (out Wednesday) she opens up exclusively about her shocking decision.

PHOTOS: NY Housewives' most controversial moments

"I would say 99.9 percent is because of Danielle [Staub], but the other .1 percent was drama created by her," she tells Us Weekly.

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For Manzo, the final straw came on the May 31 episode (taped last year), when Staub, 47, trailed by an ex-con bodyguard,Juicy Couture shoes, showed up at the Manzo-owned catering hall The Brownstone for a charity event and caused a ruckus that ended with Staub’s escort hurling a gay slur at Manzo’s nephew.

PHOTOS: Cattiest moments in reality TV

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