Her high fashion looks have booked her many campaigns, and her career has followed those of other doll-like models. She made her runway debut three years later at the Givenchy Spring 2003 couture show. She made her ready-to-wear show debut in the Spring/Summer 2004 season, in which she walked over 43 shows. In each the Spring/Summer 2005 and Fall/Winter 2005 catwalk show seasons she walked in over 70 shows. Marks has since done shows, advertisements and very well known in the industry as a beauty and money model, as she has appeared in cosmetics campaigns for Anna Sui, Revlon, MAC and NARS, as well her many turns in the beauty editions of both Japanese and Italian Vogue.