From Wikipedia, the free encyclopedia Alyson Rae Stoner (born August 11, 1993) is an American actress, dancer and singer. Stoner is known for her roles in The Suite Life of Zack & Cody (as Max), Cheaper By The Dozen (as Sarah Baker), Step Up (as Camille Gage), and Camp Rock and Camp Rock 2 (as Caitlyn Gellar). She has been a background dancer for several stars, such as Missy Elliott, Eminem, Outkast and Will Smith. She is also known as the voice of Isabella in the Disney Channel series Phineas and Ferb. Description above from the Wikipedia article Alyson Stoner, licensed under CC-BY-SA, full list of contributors on Wikipedia.