While Zac Efron and the other castmates try to matriculate more adult roles, Disney is recruiting Ashley Tisdale for a HSM sequal, Sharpay’s Fabulous Adventures. The 24-year-old will continue her role as the diva-drama queen,Sharpay. She is also set to be an executive producer. The shooting for the sequal will start this summer and be set for a 2011 premiere. So far, the plot finds Sharpay making her way from East High to Broadway, where she will meet her match in a rival starlet. Dancing, singing and endless commercial tie-ins will also occur.