Isabel Terroso is the designer behind the hat worn by Queen Letizia at the Coronation of Carlos III. She previously worked as a naval engineer for luxury millinery for Dior and Chanel.

The exclusive designs of her firm, Balel Luxury Hats, eclipse Philip Treacy. She is currently making her way in the U.S. to exhibit some of her clients' works. Her first job was as an engineer for military Dior, thanks to what she defines as the chance of life.