Julianne Hough
Credit: Splash News; Giulio Marcocchi/Sipa USA

Happy Birthday, Julianne Hough! The Dancing With the Stars alum and Rock of Ages actress turns 24 today, sharing her birthday with supermodel Gisele Bundchen and the late Natalie Wood. Celebrate the rising star by clicking through her best looks ever, from dip-dyed high-schooler to glam movie star.