Joella Marano from Manhattan, NYC · CC BY-SA 2.0

Ashley Tisdale was a working child actor for years, logging over a hundred commercials, before Disney made her famous twice over: first as Maddie on The Suite Life of Zack & Cody, then as the vain, pink-obsessed Sharpay Evans in the High School Musical franchise. She parlayed that into a recording contract and a gold-certified debut album, Headstrong, and later ran her own production company, Blondie Girl Productions, while continuing to voice Candace Flynn on Phineas and Ferb for nearly two decades.