In 2000, Trentini was discovered walking down a street in her hometown by an agent, the same one who scouted Gisele Bündchen, and soon afterward she moved to São Paulo, a common destination for young Brazilian models.
No 2000, Trentini foi descuberta mentres camiñaba pola rúa por un axente, o mesmo que descubriu a Gisele Bündchen, e pouco despois mudouse a São Paulo, un destino habitual das modelos novas brasileiras.