The Richie-Maddens

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

DADDY & ME

Time for some father-daughter bonding! Madden keeps a protective hand on daughter Harlow, 2½, after dining at a Hollywood California Pizza Kitchen with Richie and 13-month-old son Sparrow (not pictured) on Oct. 7, 2010.