- Stephen Jones is one of the world's most renowned milliners
- He's created hats for the likes of Princess Diana and Lady Gaga
- His new book, "Stephen Jones: Souvenirs," looks back at his 40-year career
(CNN)Souvenirs -- what a wonderful word. For me, it conjures up a mental slide show of diverse images: multicolored ice cream cornets on a five-year-old's Cornish holiday, a white and gold plastic Leaning Tower of Pisa, or the hat I actually called Souvenirs in my Spring-Summer 1993 collection, its satin brim pinned with family snapshots.