Harlow Madden & Honor Warren Play Date!

Nicole Richie had her hands full on Monday afternoon (March 29) in Los Angeles.

The 28-year-old socialite brought along her adorable daughter Harlow Madden to actress pal Jessica Alba‘s home for a play date with Jess’ daughter Honor Warren.

The day before, Nicole and her fiance Joel Madden were seen out and about in Studio City, Calif.

15+ pictures inside of Harlow Madden and Honor Warren‘s play date…