Nala! Indy! Olivia! See Which Celeb Babies Celebrate Their Birthdays in December
Jason and Brittany Kerr Aldean's son Memphis turned 2 on Dec. 1.
Armie and Elizabeth Chamber Hammer's daughter Harper turned 5 on Dec. 1.
Zeppelin and Arrow Ackles
Jensen and Danneel Harris Ackles' twins Zeppelin Bram and Arrow Rhodes turned 3 on Dec. 2.
Max and Dove Malin Richardson
Gray Malin's twins Dove and Max turned 1 on Dec. 2.
Bob Guiney's son Grayson Robert turned 1 on Dec. 3.
Daphne Oz's daughter Domenica "Nica" Celine turned 2 on Dec. 4.
Joe Flamm's son Luka William turned 1 on Dec. 4.
Tom Brady and Gisele Bündchen's daughter Vivian Lake turned 7 on Dec. 5.
Kanye and Kim Kardashian West's son Saint turned 4 on Dec. 5.
Marcela Valladolid's daughter Anna Carina turned 3 on Dec. 5.
Billy Baldwin and Chynna Phillips' daughter Brooke Michelle turned 15 on Dec. 6.
Mick Jagger's son Devereaux Octavian Basil turned 3 on Dec. 8.
Gisele Bündchen and Tom Brady's son Benjamin Rein turned 10 on Dec. 8.
Charles "Charley" Feldman
Savannah Guthrie's son Charles "Charley" Max turned 3 on Dec. 8.
Eric Paslay's daughter Piper Lily turned 1 on Dec. 8.
Ludacris' daughter Cai Bella turned 6 on Dec. 9.
Theodore de Ravin-Bilitch
Emilie de Ravin's son Theodore Kubrick turned 1 on Dec. 9.
Colleen Ballinger's son Flynn Timothy turned 1 on Dec. 10.
Hank Baskett IV
Kendra Wilkinson and Hank Baskett's son Hank Randall IV turned 10 on Dec. 11.
Tristan Thompson's son Prince Oliver turned 3 on Dec. 12.
Samuel "Kai" Schreiber
Naomi Watts and Liev Schreiber's son Samuel Kai turned 11 on Dec. 12.
Kourtney Kardashian and Scott Disick's son Mason Dash turned 10 on Dec. 14.
Kourtney Kardashian and Scott Disick's son Reign Aston turned 5 on Dec. 14.
Remy Ma and Papoose's daughter Reminisce MacKenzie turned 1 on Dec. 14.
Rodney Atkins and Rose Falcon Atkins' son Ryder Falcon turned 2 on Dec. 14.
Chris and Peyton Lambton's son Hayes Jennings turned 1 on Dec. 16.
Dwayne "The Rock" Johnson's daughter Jasmine Lia turned 4 on Dec. 16.
Dylan Dreyer's son Calvin Bradley turned 3 on Dec. 17.
Cameron Douglas' daughter Lua Izzy turned 2 on Dec. 18.
AJ McCarron and Katherine Webb-McCarron's son Cash Carter turned 1 on Dec. 18.
Joshua Kelley Jr.
Katherine Heigl and Josh Kelley's son Joshua Bishop Jr. turned 3 on Dec. 20.
Nathan Kress' daughter Rosie Carolyn turned 2 on Dec. 21.
Rachel Zoe's son Kaius Jagger turned 6 on Dec. 22.