Overview
- He passed surrounded by his wife and seven children, and the family requested privacy, according to a statement from his label.
- Costelloe served as Princess Diana’s personal designer from 1983 until her death in 1997, shaping many of her most recognizable public looks.
- A mainstay of London Fashion Week since 1984, he presented collections in 2025 and headlined the inaugural Ireland Fashion Week in October.
- He founded Paul Costelloe Collections in 1979, building a family-run brand spanning womenswear, menswear, accessories, homeware and childrenswear.
- Beyond the runway, he created corporate and teamwear for organizations including British Airways, Delta Air Lines and the Irish Olympic Team, drawing frequent praise for elevating Irish fashion.