Westminster Coroner Court spokesperson Susan Lord told RadarOnline.com "the cause of death was cerebrovascular accident."
As RadarOnline.com exclusively reported yesterday, the reality star was found dead in her London home after 10:20 pm local time on Thursday, July 12. She was just 49.
Police told RadarOnline.com that her death was not being treated as suspicious.
In the days before her sudden passing, Neilson attended a cousin's wedding and appeared happy and upbeat.
The brunette beauty, who appeared on the Bravo show for two seasons in 2014 and 2015, has said she previously battled heroin addiction and depression.
She also suffered heartache from the death of her dear friend, fashion designer Alexander McQueen, who tragically committed suicide in 2010.
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