Tennessee! Olivia! Giovanna! See Which Celeb Babies Celebrate Their Birthdays in September
Alexis "Olympia" Ohanian
David and Victoria Beckham's son Romeo James turned 17 on Sept. 1.
Eric Decker II
50 Cent's son Sire turned 7 on Sept. 1.
Lacey Chabert's daughter Julia Mimi Bella turned 3 on Sept. 1.
Anna Trebunskaya's son Kaspyan turned 2 on Sept. 2.
Jeff Schroeder and Jordan Lloyd's son Layton Sarti turned 1 on Sept. 6.
Dieter Schmitz's son Nico Josef turned 1 on Sept. 8.
Mario Lopez's son Dominic Luciano turned 6 on Sept. 9.
Rob Dyrdek's son Kodah Dash turned 3 on Sept. 9.
Melissa Knowles' son Beckham Henry turned 1 on Sept. 10.
Jordana Brewster's son Julian turned 6 on Sept. 10.
Jeremy and Audrey Roloff's daughter Ember Jean turned 2 on Sept. 10.
Christine Lakin's son Baylor B. turned 1 on Sept. 10.
AshLee Frazier's daughter Navy Lee turned 1 on Sept. 11.
Mario Lopez's daughter Gia Francesca turned 9 on Sept. 11.
Eamon Brennan Yakub
Margarent Brennan's son Eamon turned 1 on Sept. 11.
Leonardo "Leo" Baldwin
Alec and Hilaria Baldwin's son Leonardo "Leo" Ángel Charles turned 3 on Sept. 12.
Nick and Vanessa Lachey's son Camden John turned 7 on Sept. 12.
Preston and Jayden Federline
Britney Spears' sons Jayden James and Sean Preston turned 13 and 14, respectively, on Sept. 12 and 14.
Slick Woods' son Saphir turned 1 on Sept. 13.
Emily Maynard Johnson's son Gibson Kyle turned 3 on Sept. 16.
Naya Rivera and Ryan Dorsey's son Josey Hollis turned 4 on Sept. 17.
Melissa Joan Hart's son Tucker McFadden turned 7 on Sept. 18.
Adam Levine and Behati Prinsloo's daughter Dusty Rose turned 3 on Sept. 21.
Taylor El Moussa
Christina Anstead and Tarek El Moussa's daughter Taylor Reese turned 9 on Sept. 22.
Olivia Van Der Beek
James Van Der Beek's daughter Olivia turned 9 on Sept. 25.
Lukas Graham frontman Lukas Forchhammer's daughter Viola turned 3 on Sept. 25.
Reese Witherspoon's son Tennessee James turned 7 on Sept. 26.
Nicole "Snooki" Polizzi's daughter Giovanna Marie turned 5 on Sept. 26.
Shenae Grimes-Beech's daughter Bowie Scarlett turned 1 on Sept. 27.
Billy Corgan's daughter Philomena Clementine turned 1 on Sept. 27.
Jillian Harris' daughter Annie turned 1 on Sept. 28.
Lilly Ghalichi's daughter Alara turned 1 on Sept. 30.