The former “It girl” and TV personality had revealed just three months ago that she was receiving treatment for a non-malignant brain tumour.
Police are treating the death as unexplained, but not suspicious.
The model is the daughter of former British Olympic skier Charles Palmer-Tomkinson, who is a close friend of Prince Charles and the royal family.
Palmer-Tomkinson was also in attendance for Prince William and Kate’s nuptials at Westminster Abbey in 2011.
This article originally appeared on NewIdea.com.au.
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