Philip Treacy postage stamps issued by An Post. The other designers were Paul Costelloe, Louise Kennedy, John Rocha, Lainey Keogh and Orla Kiely. Treacy's hats have been exhibited, and are housed in the collections, of design museums including the Victoria and Albert Museum, the Metropolitan Museum of Art, and the "Galleria del Costume" of the Palazzo Pitti in Florence. "Vogue" magazine has described Treacy, on a number of occasions, as being the "greatest milliner in the world". Treacy is gay and in May 2017 he married his long–term partner of over 21 years, Stefan Bartlett, in a ceremony in Las Vegas. Treacy
Patrick Treacy in Cork in 2005. In April 2016, the High Court in Dublin granted a possession order over Treacy's clinic buildings in favour of a bank-appointed receiver. In June 2016, Treacy made a €137,897 settlement with the Irish Revenue as a result of unpaid taxes, interest and penalties. Treacy met Michael Jackson in 2006 after Jackson sought him for cosmetic treatment after reading about his experience with HLA fillers and his charitable work in Africa. He was Jackson's personal dermatologist and developed a friendship with the singer. Treacy and Jackson worked on humanitarian projects together. In 2011, Treacy became an ambassador