August Birthday Babies

Maddox Jolie-Pitt, Aoki Simmons, Zuma Rossdale – see who’s sending off summer with a blowout celebration

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DYLAN DOUGLAS

Whee! After finishing up his cancer treatment, Michael Douglas joins his soon-to-be 11-year-old son (Aug. 8) for a thrilling joyride on a Harry Potter-themed roller coaster at Universal Studios Hollywood on Nov. 27, 2010.