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
Credit: Lester Cohen/Wireimage; Dale Robinette/Dreamworks
Updated: Monday Jan 23, 2012 | 09:00 AM EST By: Justine Harman
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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.

