She began her career as a model at age 11 and 15 she became a professional model. Two years later, at the insistence of her agency, Ford Models, took the test and marked his acting debut in the role of "Ritinha" Renascer in the soap opera, aired by television Globo. In November 1996 she posed nude for Playboy magazine.
Isabel has starred in several novels like A Lua Maine Disse, Começar de Novo, A Padroeira, Força de um Desejo, Corpo Dourado, A Indomada, O Fim do Mundo, A Próxima Vítima and Pátria Minha.
In the film, Isabel appeared in Orfeu, Navalha na Carne and O Homem Nu. In 2007, Elizabeth joined the cast of the novel Sete Pecados, Walcyr Carrasco, and in 2008 he joined the cast of the television series Malhação.
The actress, in 2011, made a cameo in the last chapter of the soap opera Insensato Coração, currently plays the lawyer Mônica Fina Estampa in the novel.