Princess Collection Elegant Dresses & Fairytale Gowns for Girls Mia Belle Girls In a new documentary, "Secrets of Diana's Wedding Dress," Elizabeth Emanuel, one of the designers behind the princess's gown for her royal wedding, reveals that she used a code name for Diana How much did Princess Diana's wedding dress cost and where is it now? Woman & Home Spencer Tiara: Inside Princess Diana's Legendary Heirloom The Dress That Inspired Princess Diana's Wedding Gown Is Currently Listed for $1 Million The Story Behind Diana, Princess Of Wales's Wedding Dress And Shoes British Vogue