The Richie-Maddens

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

INTRODUCING SPARROW!

Meet Sparrow James Midnight Madden! Six weeks after welcoming their first son, Richie and Madden – along with their 21-month-old daughter Harlow – are showing off the latest addition to their family. "I couldn’t be happier," says Richie. "The only thing you want is for your kids to be healthy and happy, and they are. I’m right where I belong."