On the night I went there, all they would have seen were a few smartly dressed couples, but on another night they might have had more luck. Les Trois Garçons is The Ivy of the East End, a kind of homing beacon for celebrities from all over the world. For instance, when Miuccia Prada wanted to throw a party for Nicole Kidman to celebrate the British premiere of Moulin Rouge, this is where she chose to do it. Elizabeth Hurley's name is in the visitors' book, as is Gwyneth Paltrow's, Graham Norton's and Stella McCartney's. The regular clientele includes Young British Artists, investment bankers, people in the fashion world and well-turned-out gentlemen on the staff of Buckingham Palace. Sitting near me there was a gay couple who were so exotically kitted out they could easily have been mistaken for part of the décor. It's like a tourist destination for the rich and famous, the