Natalie tried to look incognito in a pair of dark sunglasses. She wore jeans, sneakers, and a black sweater.
The couple is allegedly tying the knot this summer. There were rumors of a secret marriage when they were spotted wearing bands on their ring fingers at the Academy Awards in February. According to In Touch Weekly, their wedding will be held in Big Sur.
Their son was born in June 2011.
Check out more photos of Natalie and her husband...