Josh Henderson heated up the small screen and won over audiences as hunky Austin McCann on ABC’s “Desperate Housewives” (2004- ). It was a role that fit Henderson perfectly – and not just because of his perfect fit. His character charmed teenager Julie Mayer (Andrea Bowen) and the show’s viewers every week. Not a bad starter gig, considering Henderson began his Hollywood career singing bubblegum pop songs as a finalist on the series “Pop Stars 2” (The WB, 2001).Joshua Baret Henderson was born on Oct. 25, 1981 in Dallas, TX, sporting one blue eye and one green eye – a condition known as