Crowned “Miss Brazil 1958″ representing the Federal Distric (Rio de Janeiro at that time), she competed in Long Beach and was always considered a favorite to win the crown. Colombo finished second, losing to Colombia’s Luz Marina Zuluaga. Back in Brazil, she resigned in order to get married.
Adalgisa worked as a model, tv presenter and actress for 14 years. In recent years, she commented the Miss Universe pageant during its live telecast in Brazil.
She had three kids.