Screen Actors Guild Awards 2012

Real Life to Reel Life: Amazing Style Makeovers

See how Michelle Williams, Brad Pitt, Jessica Chastain and more transformed for their critically acclaimed roles

JESSICA CHASTAIN: THE HELP

Talk about blonde ambition! For the 1960s-era drama, the redheaded best supporting actress lightened up her locks and even filled out her figure to look curvier in her retro clothes. "We would work all day, then go and eat because we had to gain weight," Jessica, who also wore a corset while filming, told ASOS magazine.