Filming High School Musical 3 Was Bitter Sweet Says Ashley Tisdale

It was very exciting, even if we were having such a great time, because we knew it was our last film.. FilmingHigh School Musical 3 was a bitter-sweet experience, according to Ashley Tisdale.Ashley, who plays the character of Sharpay, said the Daily Mail that the third installment of the film series was the most difficult to film: It was a bitter-sweet experience of recovery.