Stone was first approached by an agent in the Paris Metro, at age 13. Stone entered the Elite Model Look contest in 1999, as a 15-year-old. Although she didn't win, she impressed Elite executives and was signed to the Elite Modeling Agency. After years of working as a struggling model, her career took a positive turn when she was signed by IMG in 2006. Soon after, she opened the Givenchy haute couture show in Paris.
She has walked shows forShiatzy Chen, Lois Vuitton, Chanel, Lanvin, Miu Miu, Fendi, MaxMara, Pollini, Prada, Anna Sui, Marc Jacobs, Michael Kors, Stella McCartney ,Zac Posen, Balmain, Celine, Hermes, Jean Paul, Dolce & Gabbana, D&G, Givenchy, Karl Lagerfeld, Missoni, Emanuel Ungaro, and Victoria's Secret . Stone has opened shows forGiles Deacon, Isabel Marant, Christopher Kane, Fendi and Max Mara and closed for Diesel, Marc Jacobs, Stella McCartney and Balmain
. She has also been a prestigious "semi-exclusive" for Prada, meaning she could not walk any other shows during New York fashion week or any shows in Milan before the Prada show.
