Costelloe was a designer for the likes of Princess Diana, Wedgwood and British Airways. For the last 20 years, he partnered with Dunnes Stores to produce a range of menswear, womenswear, homeware and more.

British actor Aaron Taylor-Johnson and Maneskin star Victoria De Angelis were also in attendance.

Anne Hathaway was on the front row in a look plucked straight from the runway.