Womens hat by Philip Treacy, one of Britain's foremost hat designers. Philip Treacy is one of the world's most famous and influential milliners. Hat maker to top fashion houses, celebrities and international royalty, his unique creations are hand-made feats of craftsmanship. Milliner of choice for designers including Alexander McQueen, Karl Lagerfeld, Valentino and Chanel, Treacy is also the first milliner invited to have his own show during Paris couture week.