Charlize Theron: Fit For Kids with Jackson!

Charlize Theron flashes a smile as she holds on to her adorable baby boy Jackson on Tuesday (February 12) in West Hollywood, Calif.

The 37-year-old actress took Jackson to Fit For Kids, where they host gym classes for children ranging in age from six months up to 8-years-old.

PHOTOS: Check out the latest pics of Charlize Theron

The day before, Charlize was spotted keeping it cool and casual as she stopped by Bristol Farms to shop for a few groceries.

FYI: Charlize is wearing Levi’s shirt.

10+ pictures inside of Charlize Theron and baby Jackson at Fit For Kids…