Just a week after news broke that Rob and Chyna were dating, the model was arrested on charges of public intoxication and drug possession, with police saying she was in possession of two ecstasy pills and acting "unpredictable" and "angry" at Austin airport in Texas.
Prosecutors dropped the charges about a year later and the case was dismissed.
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In September 2017, Rob and Kylie, 21, filed a lawsuit against Chyna. In the complaint, Rob alleged Chyna attempted to choke him with an iPhone cord during an dramatic fight in December 2016. Rob and his sister — who owns the home where the alleged altercation took place — sued for battery, assault and vandalism. Chyna has not commented.
The complaint also claimed Chyna's relationship and decision to have a baby with Rob was "nothing short of an outright fraud to shake down the Kardashian family," branding her as a stripper that has "created a reputation as a money-hungry, shameless pseudo-celebrity." In March 2018, Kylie reportedly dropped out of the suit.
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The lawsuit was just the beginning of Chyna's legal battle with the famous family. A month later, she fired back by filing her own lawsuit against her ex for allegedly damaging her brand and verbally and physically abusing her. (He denied the accusations.)
Last November, Chyna came under fire for partnering with beauty brand Whitenicious to launch her own cream aimed at restoring the skin's "natural glow," which many on social media branded a "skin-lightening bleaching cream."
Her rep told TMZ that Chyna had been using the products to deal with her hyperpigmentation.
Earlier this month, the LAPD responded to a call about a disturbance at Chyna's home. The following day, police were once again dispatched to the home. According to TMZ, the calls may have been prompted by an alleged dispute between Chyna and her makeup artist.
"Chyna's children are both healthy and doing very well. They were never in any danger and any reports to the contrary are entirely false," Chyna's attorney Lisa Bloom said in a statement. "I remind the public that anyone who submits a knowingly false report to Child Protective Services may be subject to criminal and civil liability."
Earlier this week, authorities responded to Chyna's suite at the Ritz-Carlton Residences in Honolulu, Hawaii, after a fight broke out between the model and the rapper she's been dating, Kid Buu, 30. (Neither has publicly addressed the incident.)
"It was more of a 'he said, she said' situation. They both had complaints to the police, but in the end no one was arrested or taken to the hospital," a source told PEOPLE, adding that Chyna and Kid Buu "were both intoxicated."