It doesn’t seem possible, but things are getting even uglier between Rob Kardashian and Blac Chyna! In October, Chyna filed a lawsuit against the Kardashians, alleging the family sabotaged her reality show Rob & Chyna. Now the family is fighting back.

In December, the Kardashians filed docs asking a judge to throw out the suit, claiming Chyna was responsible for ruining the series on her own. And Rob filed papers denying Chyna’s allegations that he physically assaulted her. “Chyna is absolutely livid,” says an insider. “She refuses to be bullied by Rob and the family and will do whatever it takes to win the case.”

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Previously, the mother-of-two had a change of heart and dropped all the Kardashians from the lawsuit, except for Rob, Kris Jenner, and Kim Kardashian. However, despite the minor update, it was reported that the Kardashians were ready to fight. Sources revealed exclusively to Life & Style that the ladies of the Kardashian/Jenner clan aren’t backing down. “This is going to be an epic courtroom showdown,” the insider said at the time, adding that the family can’t wait to do battle with Rob’s baby mama.

Now Chyna’s winding up for an all-out war. “She has spoken to people connected to the Kardashians to get as much dirt as possible on them. Rob is petrified about what lies ahead.” As the legal battle intensifies between her and Rob, “Chyna is out for revenge,” says an insider.

Chyna was recently flagged on for a racy lingerie snap — see the photo by watching the video below!