By InStyle Staff
Jul 10, 2012 @ 10:35 am
WireImage; FilmMagic

Get the cake and candles in place—it's Jessica Simpson's 32nd birthday! Help the new mom celebrate by taking a look back at her Hollywood transformation, from Homecoming Queen to teen idol to fashion mogul. Click through to see Jessica's many looks through the years!

MORE:• Jessica's Style: See Her Best Dresses• Jessica's Latest Perfume: Vintage Bloom• Jessica Is Launching a Maternity Line