Jim and Amber Marchese may be working on their marriage, but reveal that their relationship with former RHONJ co-star Teresa Giudice is beyond repair!

The couple, who will star in the upcoming season of Marriage Boot Camp Reality Stars, reveal exclusively to Life & Style that their lives are happily Teresa-free.

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"I don't say this often… I know her outside the show and in the show, and she's as ugly on the inside as she is out, and that's all I'm going to say," Amber said at the WE tv premiere on Thursday.

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And despite her new image as a yoga enthusiast, Jim and Amber are not convinced prison has really changed the mother-of-four.

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"What that is is some other way of capitalizing on her fame and to make money, and I hope no one is a sucker for it," Amber explained, with Jim adding, "It's all a façade to promote someone who's honestly a felon and a tax cheat."

Unsurprisingly, the couple admits it would take a lot to go back on the Bravo reality series.

"If they fire Andy and donate a million dollars to breast cancer I would be on it," Jim said.

Be sure to catch Jim and Amber on the series premiere of Marriage Boot Camp Reality Stars on October 7 at 9 p.m. on WE tv!