The singer/songwriter and actress reflects on the pros and cons of Disney Channel child stardom, finding her voice as a solo artist and getting the chance to show what she can do as an adult \u2014 opposite comedy legends Steve Martin and Martin Short\xa0\u2014 on her first TV series since 'Wizards of Waverly Place' ended a decade ago.\nLearn more about your ad choices. Visit megaphone.fm/adchoices