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Petra is the 22-year-old daughter of Formula One CEO Bernie Ecclestone and former Armani model Slavica Ecclestone. She has one older sister, Tamara, and attended the prestigious Trevor-Roberts School and Francis Holland School.
But her life changed when she was 14 and contracted meningitis.
"I woke with the most awful headache," she told The Sunday Times. "I felt feverish, as if I had a severe case of flu, no energy at all and just an awful, awful headache."
"I was in hospital for a week and I spent another week at home recovering," she says in the 2010 interview. "I didn't feel 100 percent for a couple of months."
She is now an ambassador for Meningitis Trust and has been a fashion designer with the Croatian company Siscica.
Meanwhile, while not busy working, she's planning her wedding to fiance James Stunt.