Blac Chyna is fighting back against ex Rob Kardashian's lawsuit, Breaking Celebrity News can exclusively reveal.

The model, 29, will file an “explosive” countersuit against her 30-year-old baby daddy after he accused her of abusing drugs and trying to strangle him, a source told Breaking Celebrity News.

“Chyna hired a team of lawyers to help her fight back against Rob," the source said. "He’s rich, with all of the Kardashian money, but she knows his secrets, and now she’s not going to keep them.

"She’s going to file an explosive counter lawsuit for millions that will expose all of Rob’s lies.”

The suit will be filed by October 27, one month after Kardashian slapped her with his own lawsuit.

She's waiting until the last minute to make sure she gets all her ducks in a row, the source explained.

“Chyna is gathering all of her evidence, making sure her story is solid and better than the one that Rob told," the source continued. "She’s going to wait until the end of the deadline to file her suit. She has about three more weeks.”

“She is going to stick it to Rob twice. She will file a response, and her own lawsuit. This will get ugly."

As Breaking Celebrity News previously reported, the sock line founder said his the mother of infant daughter dream tried to choke him with an iPhone cord, hit him in the head and face, and threw a metal chair at his Bentley as he tried to flee their home last December.

But Chyna isn't afraid of his powerhouse family and wild accusations.

“Blac Chyna wants Rob to pay for what he did to her. She isn’t afraid of him,” a friend of Chyna previously told Breaking Celebrity News.

The former couple attempted to settle their differences out of court, but a mediation session failed, Breaking Celebrity News previously reported.

Stay with Breaking Celebrity News for updates to the story.

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