Reese Witherspoon: Baby Check-Up in Brentwood!

Reese Witherspoon shows off her baby bump while out and about in a pretty red dress on Tuesday (September 11) in Brentwood, Calif.

The 36-year-old pregnant actress chatted on her phone as she left the doctor’s office and headed back to the car.

PHOTOS: Check out the latest pics of Reese Witherspoon

The day before, Reese was spotted treating herself to frozen yogurt at Pinkberry as well as stopping by some clothing boutiques and a local grocery store.

10+ pictures inside of Reese Witherspoon walking and talking on her phone after leaving the doctor’s…