Born in Rio de Janeiro, Rosário has already walked in fashion shows for brands like Carolina Herrera, done a campaign for Dries Van Noten perfumes, as well as editorials for Harper's Bazaar Brasil, Vogue Brasil, Vogue Portugal, Numéro Brasil, Dazed & Confused, L'Officiel Brasil, Schon Magazine and Marie Claire Turkey, among others.

Rosário's promising modelling career began in 2018, when she was one of the finalists in The Look of The Year model contest, held in Brazil by JOY Management, and since then she has made a name for herself in fashion.