Marina Souza Ruy Barbosa is a Brazilian actress. She started off her career as a child actress; her first major role was in the telenovela Começar de Novo. Following this, she received an invitation to audition for "Sabina", a prominent character in the telenovela Belíssima, both by Rede Globo. Later, she portrayed the character "Isabel" in Sete Pecados. Portraying the rebellious Vanessa in Escrito nas Estrelas, Barbosa had the idea to create the zipper earrings used by the character, an accessory that would eventually become a fad among Brazilian teenagers. In 2011, she played the prejudiced Alice in the telenovela Morde & Assopra, where she met Klebber Toledo, with whom she dated for three years. In 2013 she participated in the soap opera Amor à Vida, interpreting Nicole, a young orphan and millionaire who gets cancer, Hodgkin's lymphoma type 4.