The Richie-Maddens

They're now a family of four! See how Joel Madden and Nicole Richie dote on daughter Harlow and son Sparrow

GRINNING GAL

Harlow surprises the snappers with a grin while leaving her hotel with mom Richie on Feb. 19 in New York City. The next day, Madden announced that he and Richie are expecting baby number two in late August/early September!