She worked as a model starring in several TV commercials and as a dancer in SBT's Domingo Legal show before becoming an actress. Fernanda played the lead role of Betina in the 2005 season of Malhação working with actor Thiago Rodrigues. After leaving Malhação, she played an art student character named Nanda in the 2006 Rede Globo telenovela Páginas da Vida. This was her second time as Thiago Rodrigues' love interest. Fernanda Vasconcellos won the Best Newcomer Actress Award for this performance. Next, she played the lead role of Clara in the 2007 telenovela Desejo Proibido. Set in a fictional 1930s city located in Minas Gerais state, her romantic interest was a character played by Murilo Rosa.