 Packing the collection in a suitcase and travelling by Greyhound Bus, Robert showcased the dresses to luxury retailers across the country.A group of American department store executives purchased the dresses and, one year later, Trigère took over Carnegie's lease and opened Trigère Inc.

Trigère won the first of her three Coty Awards in 1949, by which point she had expanded from custom dresses, suits and coats into women's read-to-wear.She also designed scarves, jewelry and men's ties, and developed a perfume line called Trigère.