The estate of Bobbi Kristina Brown, who died last month aged 22, has filed a multimillion-dollar wrongful death lawsuit against her boyfriend Nick Gordon. The suit alleges that Gordon gave Bobbi Kristina a ‘toxic cocktail’ and left her with injuries which led to her death. The suit is said to be seeking at least $10 million.

Bobbi Kristina Brown and Nick GordonBobbi Kristina Brown and Nick Gordon in 2012.

According to CNN, the lawsuit alleges that on the morning of January 31st Gordon and Bobbi Kristina argued for 30 minutes. “Upon information and belief, Defendant gave Bobbi Kristina a toxic cocktail rendering her unconscious and then put her face down in a tub of cold water causing her to suffer brain damage," the lawsuit reads.

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The suit then alleges that Gordon got in bed with a female guest and around 15 minutes later Bobbi Kristina was ‘found face down in the bathtub, unresponsive and unconscious with her mouth swollen and a tooth hanging loosely from her mouth’.

"When the Defendant came into the master bedroom, the very first thing Defendant did was let the cold water out of the bathtub and later shouted, 'Clean up, clean up.' Others began mouth to mouth resuscitation to no avail. Defendant then began to slap her saying, 'wake up,' and also started performing CPR between slaps,” the suit reads, according to CNN.

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In a statement Gordon’s legal team said, "Nick has been heartbroken and destroyed over the loss of his love and it's shameful that such baseless allegations have been presented publicly. Nick has engaged civil counsel and intends to defend the lawsuit vigorously and expose it for what it is: a fictitious assault against the person who loved Krissy most.” Gordon has never been charged in relation to the death of Bobbi Kristina Brown.