Josefina Herrero, a 17-year old student who competed as Miss Mundo Corrientes, was crowned Miss Mundo Argentina 2012 during the event held at the Costa Galana Hotel in Mar del Plata, province of Buenos Aires, on April 13th.  Josefina, standing 178 cm tall, will compete in the Miss World 2012 pageant to be held in Ordos, China, in August.