 Writing in "The Guardian" in 2013, the journalist Kira Cochrane notes that during her childhood, Sophie attended 10 schools and lived in 17 homes in various locations including London, New York, and India.Dahl started modelling at the age of 18 after a meeting with the "Vogue" stylist Isabella Blow, who was then an editor at British Vogue.The following year, Dahl made her debut on the catwalk at Lainey Keogh's London fashion week show, modelling Autumn/Winter knitwear.