Expecting her first baby with husband Cristian Campos, due to April or May.
She started her career as a high fashion model. Sister is supermodel Ángela Prieto.
Long time boyfriend is Cristian Campos. They went on and off a few times until he moved to the United States as the Cultural Consultant at the Chilean Embassy.
They then got married and Maria Jose moved to USA.
Gave birth to a healthy baby girl named Julieta on 9th March 2010.