Ashley Tisdale News: Stars/Director Surprise Fans (Business Wire via Yahoo! Finance) /

HOLLYWOOD, Calif.----A thousand lucky fans were surprised when stars from 'High School Musical 3: Senior Year'-- Zac Efron, Ashley Tisdale, Olesya Rulin, KayCee Stroh, Chris Warren Jr., Ryne Sanborn, Justin Martin, Matt Prokop and Jemma McKenzie-Brown-- showed up to cheer them on as they participated in the Ultimate Fan Pep Rally, an event which included an exclusive sneak peek of the upcoming ...