Get 4 FREE Issues of PEOPLE
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
More from PEOPLE
See More News
8 of 16
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.
Copyright © 2014 Time Inc. All rights reserved. Reproduction in whole or in part without permission is prohibited.
In partnership with AOL