In popular culture

In 2010 Costelloe was one of six contemporary, internationally renowned Irish fashion designers featured on a set of Irish postage stamps issued by An Post. The other designers featured were Louise Kennedy, Lainey Keogh, John Rocha, Philip Treacy and Orla Kiely. Along with Kennedy, he was a celebrity guest judge for the 2013 final of RTÉ Television's Craft Master show.

[ Source: Wikipedia ]