Frankie Bridge wore an affordable pair of white linen trousers from M&S on Instagram – and they’ll definitely sell out. Shop the wide-leg trousers for just £39.50 at Marks & Spencer. Frankie Bridge wore an affordable pair of white linen trousers from M&S on Instagram – and they’ll definitely sell out. Shop the wide-leg trousers for just £39.50 at Marks & Spencer.