Stefani gives a hand to her 6-month-old son during a family playdate in Beverly Hills. Plus: Madonna, Ashlee & Pete, Scarlett & Kate and more

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Gwen Stefani lends a hand to 6-month-old son Zuma as he poses for a photo during a family outing with husband Gavin Rossdale and 2-year-old son Kingston (not pictured) at a Beverly Hills park on Sunday.