Who says blondes have more fun? Filming The Good Lie in Atlanta on Thursday April 11, a nearly unrecognizable Reese Witherspoon was made over into something of a sexy-casual Southern girl, complete with turquoise top, denim skirt, cowboy boots -- and long, flowing brown hair. The 37-year-old Oscar winner first debuted the dark 'do earlier this month in Nashville, arriving there with son Tennessee, 6 months, and hubby Jim Toth.

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In The Good Lie, Witherspoon plays a woman who befriends refugees during the Sudanese civil war. Fans have seen the blonde, blue-eyed actress go brunette before to award-winning effect: To play June Carter Cash in the Johnny Cash 2004 biopic Walk the Line, Witherspoon similarly dyed her signature locks.

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"It's great to be brunette," Witherspoon said at the time. "Nobody knows who I am. Everybody walks right past me. It's a nice reprieve from my normal self." The mother of three won an Academy Award for Best Actress in the role as well.

This article originally appeared on Usmagazine.com: Reese Witherspoon Rocks Brown Hair, Skirt, Boots on Film Set