Ashley Michelle Tisdale (born July 2, 1985) is an American model, actress and singer. Her best known roles are Maddie on the Disney Channel sitcom The Suite Life of Zack and Cody and Sharpay Evans the in the Disney Channel Original Movie High School Musical. Tisdale has been described in press releases as "one of America's hottest young celebrities".

Tisdale's good friends include Disney Channel co-stars Brenda Song, Zac Efron, Vanessa Anne Hudgens, Alyson and Amanda Michalka, Ricky Ullman, Amy Bruckner, Kaley Cuoco, Haylie Duff, Dylan Sprouse, and Cole Sprouse.