Photo by 20th Century Studios When The Devil Wears Prada was first published, in 2003, it was seen as a nasty little take-down of the US Vogue editor Anna Wintour. Its author, 26-year-old Lauren Weisberger, had been one of Wintour’s assistants for a year, and had turned her fish-out-of-water experience into an acerbic fictional account of the magazine world at its most hierarchical and glamorous. The New York Times ’s po-faced review called it “a mean-spirited Gotcha! of a book” while at Condé Nast Wintour denied she’d even opened it. But three years later, when it had been made into a film starring Meryl Streep and Anne Hathaway, everybody laughed and loved it. Wintour wore Prada to the premiere and the film went on to inspire in the hearts of thousands of starry-eyed young women the dream of finding a job in such a demanding and glorious workplace. I worked on British magazines from 1983 to 2012, spanning Just Seventeen , Elle , Vogue , In Style , Good Housekeeping and Psychologies .…