GLOWING, POCKET-SIZED, Sienna Miller is holding fort in Covent Garden as her mum Josephine, friends and fashion folk toast the actor's latest collaboration with M&S. It marks Miller's second foray into designing with the high-street stalwart this year; a year, arguably, that has belonged to Miller.
As well as starring in Kevin Costner's passion project, Horizon: An American Saga, a four-part Western set during and just before the American Civil War, Miller appeared as herself in the final season of Larry David's sitcom Curb Your Enthusiasm. Designing not one, but two fashion collections for Marks & Spencer (both sold out, FYI), she also became an unofficial ambassador of the fashion house Chloé, meaning a front row appearance at Paris Fashion Week and plenty of frothy red-carpet fodder. Not least of…