Ashley Michelle Tisdale (born July 2, 1985) is an American actress, singer, songwriter and television producer. Tisdale gained her first major role as an actress in 2005 when she played the role of Maddie Fitzpatrick in Disney's The Suite Life of Zack & Cody. She went on to appear in the High School Musical film series as the female antagonist Sharpay Evans. She made music history by becoming the first female artist to debut with two songs simultaneously on the Billboard Hot 100 with "What I've Been Looking For" and "Bop to the Top".After her first Emmy-winning High School Musical performance, she pursued a solo music career and on February 6, 2007, she released her debut album Headstrong. The album debuted at number five on the U.S. charts, selling over 64,000 copies in the first week, and was later certified Gold. Tisdale has a supporting role as Candace Flynn in Disney Channel's Phineas and Ferb. Tisdale is working on her second studio album, Guilty Pleasure which is scheduled to be released in June 16, 2009. Tisdale will be starring in They Came from Upstairs, which will be released on July 31, 2009.