Reese Witherspoon: Fit Food Run!

Reese Witherspoon shows off her fit body while picking up lunch to go on Monday (December 2) in Brentwood, Calif.

The day before, the 37-year-old actress tweeted about her Pleasantville co-star Paul Walker‘s tragic death.

PHOTOS: Check out the latest pics of Reese Witherspoon

Reese is currently shooting her upcoming film Wild, which centers on “one woman’s 1,100-mile solo hike undertaken as a way to recover from a recent catastrophe.”

The film is scheduled to hit theaters next year. Stay tuned for official release date details!

FYI: Reese is wearing a Gents cap and Nation LTD Idaho Tee.