She's a bad girl in a bad marriage.

"Bad Girls Club" alum Tanisha Thomas steals the show in this just-released promo for the upcoming season of "Marriage Boot Camp Reality Stars." Screaming, slapping and even a major hospital scare, Tanisha's got it covered!

And while she may take center stage in the video above, she's not the only reality TV star trying to save her relationship with another reality show.

Vets like Ryan and Trista Sutter from the original "Bachelorette," JWoww and Roger from "Jersey Shore" and Gretchen Rossi and Slade Smiley from "The Real Housewives of Orange County" are all out to fix their marriages ... and, for some, it's before they even say "I do."

Check out the video above to see Roger tell his fiancee that she's "fake" and he "can't stand fake people" -- and Slade cry while telling Gretchen "My life just doesn't matter without you." 

Who will make it and who's heading for divorce? Find out when "Marriage Boot Camp Reality Stars" premieres Friday, May 30th on WEtv at 9/8c.

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