In the early 1990s, fashion shows were still quite a rough and ready business. Things weren’t quite as closely managed as they are these days, especially if you scratched beneath the surface. Jo Jones, now the Observer’s fashion editor, then a student at Central Saint Martins, managed to get access for herself and her fellow student Gavin Bond to go backstage at a Vivienne Westwood show in Paris. It was 1993 and they were there on a student trip. Somehow, the ever tenacious Jones had managed to negotiate access to ‘all areas’ through Vivienne Westwood’s mother who was working as part of her daughter’s team to prepare for the show.…