Paul Costelloe, Irish-American fashion designer for Princess Diana, dies at 80
- Posted on November 22, 2025
- By The Toronto Star
- 2 Views
Paul Costelloe, Irish-American fashion designer for Princess Diana, dies at 80

Paul Costelloe, the Irish-American designer who dressed the late Princess Diana and became a stalwart of the London fashion scene, has died, his company confirmed. He was 80.