Philip Treacy a "telephone-shaped headpiece with a removable handset" hat, worn for her appearance on Friday Night with Jonathan Ross in 2010 (now in permanent display at Madame Tussauds), and a "lightning-bolt" hat, she wore for the 2010 Grammy Awards. As well as Isabella Blow, Sarah Jessica Parker, and Lady Gaga, other notable muses for Treacy's hats are socialite Daphne Guinness, model Naomi Campbell, and singer, actress, model, Grace Jones, who used Treacy as art director and designer for her 2009 sold-out "Hurricane" tour. In an interview with "The Guardian" in July 2011, Treacy distilled what he felt a hat should do
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