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
Patrick Treacy "My Face My Body Awards" in London in 2012. Treacy received an AMEC Aesthetic Award for novel techniques in facial rejuvenation in Paris in 2014 and the 20th World Congress in Aesthetic Medicine Lecture Award in Miami in 2015. In 2016 he was Highly Commended in the 'Doctor of the Year' Award at the Safety in Beauty Awards in London. Treacy also won lecturing awards regarding reversal of dermal necrosis post filler vascular occlusion in Tbilisi, Georgia and Cairo, Egypt in this period He was also awarded a special medal for contributions to the field of Aesthetic Medicine at CCME