Original: Lauren Weisberger, a former Wintour assistant who left Vogue for Departures along with Richard Story, wrote The Devil Wears Prada after a writing workshop he suggested she take.
Simplified: It is thought that Anna Wintour was the inspiration behind the demanding editor, Miranda Priestly, in the novel The Devil Wears Prada. The author of the book, Lauren Weisberger, had worked as the personal assistant of Anna Wintour at Vogue.