In addition to Guess?, Barros has done advertisements for Christian Dior, Armani Jeans, Oakley, L'Oréal, Diesel, Victoria's Secret, Chanel cosmetics, and Jennifer Lopez's JLO fashion line, among others. In 2004 Jennifer Lopez selected Barros to be the face of her new lingerie line, JLO Lingerie. Lopez said, "I wanted someone young, sexy and urban, with a universal appeal". Barros has been in shows for the likes of Valentino, Missoni, Gucci, Christian Dior, Versace, Emporio Armani, BCBG, DKNY, Jean-Paul Gaultier, Dolce & Gabbana, Michael Kors ((Red Oak)), Elie Saab and many more prestigious fashion houses. She walked in the Victoria's Secret Fashion Show in 2002, 2003, 2005, 2006, 2008, and 2009.