Philip Treacy in a 2011 interview: "She made him famous. He made her look like an icon. When you think of the late, great Blow, you think of her in one of his creations, be it a giant disc or a replica sailing ship." In July 2002, the Design Museum in London, hosted an exhibition of the 30 most iconic hats Treacy designed for Blow, titled: "When Philip met Isabella". The exhibition was so well received that it went on a world tour for several years, and drew a record attendance of circa 43,000 when shown in Dublin in 2005. In 1991,
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