Ashley Michelle Tisdale (born July 2, 1985) is an American actress-singer and producer. She is known for co-starring in the movies "High School Musical", "High School Musical 2" and She played candy counter girl Maddie Fitzpatrick on the Disney Channel television series "The Suite Life of Zack &amp; Cody. S"he also voiced Candace Flynn in the animated series "Phineas and Ferb".