Ashley Michelle Tisdale is an American actress, singer, and producer who rose to fame in the mid-2000s for her role as Sharpay Evans in the Disney Channel's High School Musical franchise. The movie's soundtrack, featuring Tisdale's vocals, became an international bestseller and made her the first female artist to debut two songs simultaneously on the Billboard Hot 100. She released her debut album, Headstrong, in 2007, followed by Guilty Pleasure in 2009.