Born in Monterrey, Cavazos began her acting career at the age of 15, and made her film debut in Busi Cortes’ 1988 El Secreto de Romalia. She has acted in numerous Mexican films and television series since then, and has also done a fair amount of work in the U.S., appearing in television dramas as well as a singing role in the film Sugar Town. Cavazos is sometimes credited as "Rosita Lumi Cavazos".