Balti was first booked for the cover of L’Officiel, shot by Alexi Lubomirski. Her first notable advertisement campaign came for Dolce & Gabbana. She has appeared on the covers of many fashion magazines, including Vogue, Harper’s Bazaar, W, Cosmopolitan, and Marie Claire, as well as men’s magazine Playboy. Her campaigns include Roberto Cavalli, Donna Karan, Christian Dior, D&G, Valentino, Armani Jeans, Missoni, Rolex, Guess?, Paco Rabanne, Anna Molinari, Guerlain, Revlon, La Perla, Mango, and Thierry Mugler.
She also appeared in the 2005 Victoria’s Secret fashion show and in their catalogs.
Since the spring/summer 2005 fashion shows, she has appeared shows for designers such as Karl Lagerfeld, Gianfranco Ferré, Marc Jacobs, Alexander McQueen, Givenchy, Zac Posen, Hermès, John Galliano, Gucci, Fendi, Prada, Valentino, Missoni, Chanel, Christian Dior, Versace, Oscar de la Renta, Narciso Rodriguez, Ralph Lauren, and Carolina Herrera, Victoria’s Secret.
Balti was cast in Abel Ferrara’s movie Go Go Tales (2008) as one of the erotic dancers. After the movie and her pregnancy, she returned to the catwalk, became the new face of the Cesare Paciotti international campaign, and replaced Angelina Jolie as one of the faces of the fall St. John campaign, with models Hilary Rhoda and Caroline Winberg
She appears in the 2011 Pirelli Calendar photographed by Karl Lagerfeld.