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From Shiloh Jolie-Pitt and Leni Samuel to Apple Martin and Bryn Hoppy, see which celeb cuties will be donning party hats this month
Updated: Tuesday May 01, 2012 | 06:00 AM EDT
By: Laura Franco
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You're it! Gwen Stefani and Gavin Rossdale's mini rocker, who turns 6 on May 26, chases after his mom during a game of tag on the beach in Marina del Rey, Calif., on May 20.
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