By InStyle Staff
Updated Aug 14, 2012 @ 10:15 am
Halle Berry Transformation
Credit: Courtesy Bedford High School/ZUMA Press; Amanda Schwab/

Happy birthday, Halle Berry! The actress is fierce, fashionable, and today, 46. How does she maintain her beauty after decades in the spotlight? It's simple: "A smile is pure," she has said. "It's good and real, and that's sexy." See the bride-to-bes complete transformation—from high school pageant girl to Oscar winner—in the gallery.