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Ava Phillippe! Romeo Beckham! Valentina Pinault! See which celeb kid is catching the birthday spirit this month
Updated: Thursday Sep 01, 2011 | 06:00 AM EDT
By: Lauren Hockenson
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Britney Spear's baseball boys Sean (left) and Jayden – who will celebrate their sixth and fifth birthdays on Sept. 14 and Sept. 12, respectively – get amped up to play Little League in L.A. on April 30.
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