When she was fifteen years old, she joined Latin America's show "El Show de Xuxa" and won the competition. At the age of 16 she moved to Argentina to work there. She worked as an MTV VJ and in 1995, she landed a role in the soap opera "Dulce Ana". After that she st in the TV series "90-60-90 modelos" (1996) and "Ricos y famosos" (1997). In "Ricos y famosos", Oreiro played fictional character Valeria. 