Sandra Bullock & Louis: Pirate Party!

Arr, matey!

Sandra Bullock carries her adorable son, Louis, to a children’s birthday party on Sunday (October 9) in Brentwood, Calif.

The 47-year-old Extremely Loud and Incredibly Close actress and her cutie pie son both dressed up as pirates for the party, which was held at a local park.

PHOTOS: Check out the latest pics of celebrity babies

Last weekend, Sandra and Louis took a trip to a friend’s place in nearby Los Feliz.

25+ pictures inside of Sandra Bullock and Louis going to a pirate themed party…