Photo SpecialOff-Duty Hollywood
From roller-coaster rides to an inflatable slide, see how the stars – Gwen & Kingston! Tori! Justin! – take time off from the set and stage
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GOING TO A BIRTHDAY PARTY
Down whee go! Gwen Stefani and son Kingston, 3, take a quick ride down an inflatable slide at a superhero-themed birthday bash in Sherman Oaks, Calif., on Saturday.
