In 1996, Laetitia became one of the lead models of Victoria's Secret and from there was featured in the Sports Illustrated Swimsuit Edition for three consecutive years. She has appeared on over 100 covers of fashion magazines such as Cosmopolitan and Glamour, as well as doing commercials for the cosmetics company L'Oreal. Laetitia made her feature film debut in Astérix et Obélix contre César (1999), the most expensive French film ever made and a smash hit in Europe. Her acting career gained momentum when she starred in the TV movie "La bicyclette bleue" (2000), set in WWII France.
Laetitia currently owns a flat in London and enjoys painting, writing, rollerblading, going to the cinema, and dancing in her spare time.