Philip Treacy le Bon, Kate Moss, Christy Turlington and Stella Tennant modelling in return for keeping Treacy's hats, which were all black. In 1994, he opened up his boutique at 69 Elizabeth Street, in Belgravia, London, right beside Isabella Blow's resicence at number 67. Treacy has designed hats for Alexander McQueen (another discovery of Isabella Blow), including his 1999 "white collection" for Givenchy Haute Couture in Paris, for Karl Lagerfeld at Chanel, and for Valentino, Ralph Lauren, Donna Karan, Versace and Rifat Özbek. In January 2000, he became the first milliner for 80 years to be invited to exhibit at the Paris
Seán Treacy 14 October, he ordered the Squad to set up along the procession route and to take out the most powerful man in the country, the Chief Secretary for Ireland Hamar Greenwood and Lieutenant-General Henry Hugh Tudor, who had invented the Black and Tans. Four or five members of the Squad assembled at a Dublin safe house, the Republican Outfitters shop at 94 Talbot Street early on 14 October in preparation for this operation. Treacy was to join them for his own protection, but arrived late, to discover that Collins had cancelled the attack. Treacy was extremely distressed — he and