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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JETTING OFF

Chris Brown takes to the water on Thursday while in the Miami area, where he reunited with Rihanna. The two, together again after he allegedly battered the "Umbrella" singer Feb. 8, are staying at Diddy's house on Star Island.