Ashley Tisdale arrives at the world premiere of High School Musical 2 at Downtown Disney.Gregg DeGuire/WireImage.com - Wednesday, August, 15, 2007, 9:15 PM

Ashley Tisdale and Jennifer Tisdale arrive at the world premiere of High School Musical 2 at Downtown Disney.Gregg DeGuire/WireImage.com - Wednesday, August, 15, 2007, 9:15 PM

Ashley Tisdale and dancers perform in High School Musical: The Concert.Disney - Wednesday, May, 2, 2007, 9:2 PM