Nicole Richie Plays With Harlow in the Park

They sure do grow up fast!

Harlow practiced standing with mom Nicole Richie’s help in a park in her Glendale, California, neighborhood Wednesday.

The infant — now nearly five months old — smiled and beamed while dad Joel Madden looked on.

I wonder when Nicole will have another baby. She has said that she wants five kids — specifically, twin boys and three girls.