Rosa Acosta started her classical ballet studies at the age of four at the Centro de la Cultura in Santiago, Dominican Republic. She later moved on to the Instituto de Cultura y Arte (ICA), where she excelled as one of the most gifted students of the academy.
After graduating with honors from ICA and the Ballet School of Norma Garcia with a Bachelor in Art with mention to Classical Ballet, Rosa became a part of the Ballet Nacional Dominicano as their youngest soloist member in 2002. As a dancer and actress she performed in all major classical and modern shows in the Dominican Republic. Her dance resume includes: Don Quixote, The Nutcracker, Swan Lake, Sleeping Beauty, Diana & Acteon, Carmen, Paquita, Coppelia, Victor Victoria (Musical), and more. She was nominated twice by the Secretaria de Estado de la Juventud for her work in the category of Cultural Development. Rosa initiated her modeling career in 2004, participating TV commercials for prestigious Dominican enterprises.