Just put one foot in front of the other!

Sandra Bullock took her little guy Louis Bardo out for some walking practice in an NYC park Sunday.

The Proposal actress, 46, who adopted her "Cajun cookie" in January 2010, is in the Big Apple filming Extremely Loud and Incredibly Close, costarring Tom Hanks and based on the novel by Jonathan Safran Foer.

"No one understands the shifting priorities of having a child in your life unless you have a child of your own," Bullock has said about becoming a parent. "Everything's different."

Last week the humanitarian Oscar winner donated $1 million to help with relief efforts in Japan following the devastating earthquake and tsunami.