Billie Lourd & Austen Rydell
The Star Wars: The Force Awakens actress welcomed her second child with her husband on Dec. 12.
Tia Booth & Taylor Mock
The Bachelor Nation star and her fiancé took to Instagram on Dec. 7 to share the news that they have welcomed their first child together, a baby boy.
Nick Cannon & Abby De La Rosa
Nick welcomed his 11th child, his third with Abby, when baby girl Beautiful Zeppelin Cannon was born in November.
Jesse Tyler Ferguson & Justin Mikita
The couple announced Nov. 15 on Instagram that they welcomed their second baby, Sullivan Louis Ferguson-Mikita.
Rebel Wilson
The actress welcomed her first child, a daughter named Royce Lillian, who was born via surrogate in November.
Michelle Williams & Thomas Kail
Michelle and Thomas added to their family this year with the arrival of their second child together, joining 2-year-old son Hart. She also welcomed Matilda Ledger, 17, with the late Heath Ledger.
Chanel West Coast & Dom Fenison
Chanel welcomed a baby girl named Bowie Breeze Fenison in November.
Romee Strijd & Laurens van Leeuwen
Romee gave birth to a girl named June van Leeuwen on Nov. 11.
Kate Mara & Jamie Bell
The couple welcomed a baby boy in November and also share a 3-year-old daughter.
Heidi Montag & Spencer Pratt
The Hills stars welcomed their second child, a baby boy named Ryker Pratt, on Nov. 17.
Jhené Aiko & Big Sean
The couple welcomed a baby boy named Noah Hasani on Nov. 8.
Mandy Moore & Taylor Goldsmith
This is a family of four! The actress gave birth to her second son, Ozzie, in October.
Gabby Barrett & Cade Foehner
The American Idol alum welcomed son Augustine Boone Foehner on Oct. 27.
Christina Perri & Paul Costabile
The spouses welcomed Pixie Rose Costabile on Oct. 22, two years after the loss of their newborn daughter Rosie.
Nick Cannon & Brittany Bell
On Sept. 30, the Wild 'N Out star revealed that he and Brittany Bell welcomed their third child together, Rise Messiah Cannon. Nick is now a father of 10.
Hilaria Baldwin & Alec Baldwin
The It's Complicated actor, 64, and wife Hilaria Baldwin welcomed their seventh child together on Sept. 22, a baby girl named Ilaria Catalina Irena.
Ashley Greene & Paul Khoury
The Twilight actress became a mom to a baby girl named Kingsley Rainn Khoury on Sept. 16.
Vanessa Grimaldi & Joshua Wolfe
The couple became parents on Sept. 29, announcing the arrival of Winston Franco Wolfe
Trisha Paytas & Mose Hacmon
The YouTube star announced the birth of their first child with husband Moses Hacmon, a baby girl named Malibu Barbie Paytas-Hacmon, on Sept. 15.
Nick Cannon & LaNisha Cole
On Sept. 15, the Wild N' Out star announced he recently welcomed his ninth child, his first with model LaNisha Cole, a baby girl named Onyx Ice Cole Cannon.
Nessa Diab & Colin Kaepernick
Nessa announced on Aug. 28 that the two welcomed their first child together a few weeks prior.
Khloe Kardashian & Tristan Thompson
On Aug. 5, a rep for the reality star told E! News that she and the Chicago Bulls player welcomed a baby boy via surrogate.
Camila Coelho & Ícaro Coelho
The Brazilian fashion and beauty influencer welcomed her first child with husband Ícaro Coelho on Aug. 5. She shared the news on social media, calling their baby boy Kai "our angel."
Adrienne Bailon & Israel Houghton
The couple announced they welcomed a baby boy via surrogate, with Adrienne gushing on Instagram, "Our baby boy is here & we are so in love! If you have followed our love story… you know that our journey to baby has been very challenging. But God is true to His word and His promises."
She added, "All we feel is joy and overwhelming love & gratitude."