"We were best friends from 12, 13 years old until then," he told " Page Six" on October 29, following up on his podcast appearance. It began when Muniz guest-starred on Duff's Disney Channel showin 2002. "I was on the set of Lizzie McGuire, and I was in Hilary's dressing room and her mom was there," he said on the podcast. Duff's mom asked what Muniz was working on that summer.