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Floyd Mayweather’s teen daughter has denied stabbing her love rival during a heated confrontation at “fiance” NBA YoungBoy’s Houston mansion over the weekend.

Iyanna Mayweather, the daughter of the prizefighter, was in a Texas courtroom via videoconference Monday on a felony charge of aggravated assault with a deadly weapon. She will plead not guilty to the charges, her lawyer Kent Schaffer, confirmed to BOSSIP.

“Iyanna is doing fine; although she remains shaken by this unfortunate incident,” Schaffer told BOSSIP, adding that he expects her to be “fully vindicated.”

Cops cuffed Mayweather April 3 after she allegedly showed up at NBA YoungBoy’s Houston mansion and found him with his baby mama. According to TMZ, Mayweather told the woman, Lapattra Jacobs, that she was YoungBoy’s fiance and that she had to leave. But Jacobs allegedly told her that she had to leave, and their argument escalated into a fight.

Prosecutors said Mayweather grabbed a knife and stabbed her alleged victim, “cutting the complainant with a knife” and brandishing the weapon at the mother, according to Mayweather’s criminal complaint, which was obtained by BOSSIP.

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The on/off couple must have put the incident behind them; Mayweather later turned up on YoungBoy’s Instagram Live, as he blasted her “b**ch ass daddy” Floyd Mayweather and rapper Kodak Black for insinuating that he’d cooperated with authorities in the case.

Mayweather’s not guilty plea comes as prosecutors asked the judge to order the 19-year-old to stay away from Jacobs, as a condition of her $30,000 bail. They want Mayweather not to be able to come within 1,000 feet of Jacobs or her children, according to court papers obtained by BOSSIP. The District Attorney also requested that Mayweather not to have any access to weapons of any kind, and stay away from drugs and alcohol.

Meanwhile, Schaffer, Mayweather’s lawyer, has asked the District Attorney to hand over any evidence they have in the case, including video records, any statements, and witness information.

The judge hasn’t yet ruled on the motions.

The state of Texas doesn’t play when it comes to meting out long sentences for criminal offenses. If Mayweather is convicted, she could face up to 99 years in prison and a $10,000 fine.