Reese Witherspoon Goes Brunette

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She’s legally brunette!

Reese Witherspoon debuted her newly-brunette locks while running errands with son Tennessee on Saturday, March 30.

The 37-year-old went to the dark side once before for her role as June Carter Cash in the 2005 hit Walk the Line, which earned the actress an Academy Award for her performance.

Witherspoon’s last outing was in Cabo San Lucas with her husband Jim Toth. The loved-up couple spent the Sweet Home Alabama star’s 37th birthday at Capella Pedregal, one of the city’s most romantic getaways.

A source told E! News that the couple spent most of their vacation laying by the pool and soaking up the sun.

While there’s no confirmation that the drastic hair change was for a role, Witherspoon isn’t the first Hollywood star to go from blonde to brunette (and back to blonde).

Everyone from Vanessa Hudgens to Demi Lovato has experimented with peroxide.

Click on the gallery above to check out the latest stars to drastically change their locks.

Do you love Witherspoon’s new hair? Weigh in below.

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