Though the youth culture juggernaut “High School Musical” (Disney Channel, 2006) launched Ashley Tisdale into seemingly overnight stardom, the actress/singer had been building a career in both film and television since the age of three.Born Ashley Michelle Tisdale in West Deal, NJ, on July 2, 1985, Tisdale’s family had always had a tinge of stardom to it; her grandfather, Arnold Morris, was the pitchman for Ginsu knives, and her cousin was famed TV infomercial personality Ron Popeil....