Annabelle Neilson — star of Ladies of London — has passed away at 49, confirms People.
As of this writing, it is unclear how the Bravo personality died.
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Neilson, who comes from an aristocratic family, was close friends with supermodels Kate Moss and Naomi Campbell, as well as late fashion designer Alexander McQueen.
In a 2015 interview with DailyMail.com, the former model revealed she became a heroin addict at 16 but was able to get sober.
She will be missed.
[Image via Tim McLees/WENN.]