Mafalda trained at Primeiro Acto School of Musical Theatre in Lisbon. While training, she played Morticia in The Addams Family and Nurse in Romeo and Juliet. Professionally, credits include Ensemble in Anastasia and touring as Cinderella in Cinderella, among others. Mafalda played the Portuguese Queen, Maria Pia in a collaboration with the Ajuda National Palace. She is also trained in Classical Singing and Jazz.