Report Claims Bobbi Kristina Used Heroine, Xanax & Cocaine

A recent report is making some serious allegations about Bobbi Kristina. A source tells PEOPLE that the 21-year-old famous daughter of Whitney Houston and Bobby Brown was under the influence of drugs, when she was found unresponsive in the bathtub of her home on January 31.

Multiple sources confirm to PEOPLE that she

regularly used heroin, cocaine and Xanax in recent months.

A source also states that Bobbi Kristina was also a heavy drinker. They also claim to have regularly seeing her appear high, slurring her words and seeming incoherent.

What’s more? A source also claims that w/in the past three years of her mother’s death, she’s been in

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