Reese Witherspoon: Plaid LAX Departure After Workout!

Reese Witherspoon sports a cute plaid shirt arriving for a departing flight at LAX Airport on Monday (September 16) in Los Angeles.

Earlier in the day, the 37-year-old actress kept herself hydrated with a Gatorade bottle after a workout in Brentwood.

PHOTOS: Check out the latest pics of Reese Witherspoon

Last week, Reese was spotted checking messages on her phone while stepping into an office building in L.A.

Reese‘s produced film Gone Girl, starring Ben Affleck and Rosamund Pike, has just gone into pre-production in Cape Girardeau, Mo.

FYI: Reese is wearing a Rails Hunter plaid shirt.

25+ pictures inside of Reese Witherspoon jetting out of Los Angeles…