EXCLUSIVE AT NET-A-PORTER.COM. Emilia Wickstead's moodboard is filled with photographs of some of the most iconic brides in modern history, from Audrey Hepburn to Princess Grace Kelly, whose dresses all feel as elegant and romantic now as they did back then. Crafted in Italy from white duchesse-satin, this 'Diamond' gown has a simple bodice framed with a sweetheart neckline and underpinned with flattering boning. Its skirt is softly gathered and pleated along the empire waist - the luxuriant wei