: There are no credible sources or information on Monica Mattos's romantic relationships or storylines. Any speculation or rumors might not be reliable or accurate.
In addition to her work on "Cavalo de Aço," Monica Mattos has been involved in various other projects that have showcased her range and versatility as an actress. She has appeared in numerous telenovelas, films, and theater productions, each of which has allowed her to explore different aspects of human relationships and romantic storylines.
Many of her films, such as Carnaval Verão Vale-Tudo (2004), utilized cultural themes like the Brazilian Carnival to frame her performances.