Famous for her major roles in the Brazilian television shows Caras & Bocas, Two Guys, and Pe na Jaca, she is also notable for her recurring appearances on Salve Jorge, Soul Mate and Website Yellow Woodpecker.
She made her television debut in the 1989 soap opera Top Model.
Between 2002 and 2008, she was nominated for six Contigo Prizes for her acting work.
Born Flavia Alessandra Martins da Costa in Rio de Janeiro, Brazil, she is the daughter of Rachel and Helio. Before ending in divorce, her marriage to actor and director Marcos Paul produced a daughter named Giulia; through her later marriage to television personality Octavian Costa, she has a daughter named Olivia.
She and Adriana Esteves were both in the cast of the Brazilian television series Bites & Assopra.