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They're now a family of four! See how Joel Madden and Nicole Richie dote on daughter Harlow and son Sparrow
Credit: Survivor/Pacific Coast News
Updated: Wednesday Jul 17, 2013 | 05:00 PM EDT
By: Kiran Hefa and Karen Quan
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Richie keeps a close watch on Sparrow and Harlow, who spread out to explore the beach during a day of fun and sun in Malibu, Calif., on April 9.
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