Fontana has been the face of a variety of advertising campaigns including Armani Jeans, Chanel, Colcci, Disritmia, Emporio Armani, Enrique Martinez, Helena Rubinstein, Hugo Boss, Hussein Chalayan, Massimo Dutti, M. Officer, Nicole Farhi, Oscar de la Renta, Peter Hahn, Philips, Ralph Lauren, Revlon, Roberto Cavalli, Rosa Chá, Saks Fifth Avenue, Tommy Hilfiger, Triton, Valentino, Versace, Victoria's Secret, Vivara and others.In 2008, she made her debut on the Forbes The World's 15 Top-Earning Models list at place 11, having earned $3 million. She is also in the second place on the Top 50 Models Women list by "models.com".