The world followed Kate Middleton and Prince William's journey to becoming first-time parents all summer long. "It was very emotional, it is such a special time," the Duchess of Cambridge said on the steps of St. Mary's Hospital shortly after giving birth.
Kanye West and Kim Kardashian welcomed their first baby girl in June. "I am extra thankful this year for my baby girl and am so happy I get to spend this Thanksgiving as a family with my daughter and fiancé," the new mom shared.
Wiz Khalifia and Amber Rose were overjoyed when they welcomed their first child in February. "Everyone welcome this perfect young man into the world," the proud dad shared with fans.
Malin Akerman's first summer as a parent was just about perfect. The Trophy Wife star was able to balance motherhood and a successful acting career. "Exhausted…But loving every moment of being a new mom! #parenthood #babiesdontsleepmuch," she tweeted.
What's the secret to having a calm and quiet baby? It could be some epic beats from daddy Channing Tatum. "All of a sudden, he starts beatboxing and she starts cooing," new mom Jenna Dewan-Tatum said. "I'm like, what? I have been rocking her."
It didn't take long for Fergie and Josh Duhamel to become close with their son. In fact, the precious baby has the couple already thinking about No. 2. "We definitely want to have another," the singer told HuffPost Live.
In addition to getting married to Dax Shepard, Kristen Bell also celebrated 2013 with a new baby. "It could've been a water bottle in my belly, that's about how connected I felt to her during my pregnancy," Bell admitted to Flare magazine. "But within about 24 hours after she came out, my hormones reset, and they reprogrammed my feelings about her."
Jessica Simpson and fiancé Eric Johnson welcomed their second child in June 2013. The baby boy's middle name honors Johnson's Swedish paternal grandfather, Knute Johnson.
Late-night host Jimmy Fallon and his wife, Nancy Juvonen, welcomed their baby girl via surrogate one day after the royal baby birth. "Yes, William and Kate, we'll definitely set up a playdate," he later joked on his show.
Shakira's baby boy is getting an early start in showbiz. At 11 weeks old, the adorable baby was able to visit mom on the set of The Voice. He even got to press the red button!
"It really is the most amazing thing, I'm lucky," Alec Baldwin gushed after his wife, Hilaria, welcomed a daughter.
Michael Bublé and his gorgeous wife, Luisana Lopilato, welcomed a precious baby boy this August. "Overjoyed and filled with gratitude at the arrival of our son," the singer shared with fans.
Almost three months after the birth of her daughter, Lady Antebellum singer Hillary Scott debuted her little one on Twitter. Boy, is she adorable!
Hart of Dixie star Jamie King and husband Kyle Newman welcomed a baby boy in October. "@jaime_king is doing amazing! The most incredible feeling," the proud dad shared with fans.
Ali Landry showed off her bundle of joy to the world this October. "He's an easy baby, and he's happy!" she told Life & Style. "I can put him down on the floor to play, and he's perfectly happy and fine."
X-Factor host Mario Lopez shared a first glimpse of his son at his "Sip & See" baby reveal. "I am in heaven right now," he tweeted. "#CelebratingDominicLopez #BabyLopezNumber2."
Too cute! Holly Madison and her daughter are already sharing a love for fashion with their matching floral dresses.
Ever since her newborn son was born, fashion designer Ivanka Trump can't stop holding (and kissing) her youngest family member.
Glee star Heather Morris and longtime beau Taylor Hubbell welcomed their first child in September.
NEXT GALLERY: 2013's Breakout Stars