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"I'd like to ask you all to accompany me in your prayers on this very important day of my life," Shakira Tweeted just hours before the Jan. 22 birth of her first child, son Milan. The new mom and her soccer star beau, Gerard Piqué, explained their choice of name on the singer's website: "The name Milan (pronounced MEE-lahn), means dear, loving and gracious in Slavic; in Ancient Roman, eager and laborious; and in Sanskrit, unification." Also born this month: Elton John's second child, son Elijah; and Kara DioGuardi's first child, son Greyson.
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Backstreet Boy Howie Dorough and his wife Leigh welcomed their second child, son Holden, on Feb. 16. "Holden surprised us by arriving three days ahead of schedule at 6:37 a.m., [weighing in] at 6 lbs., 15 oz. and [measuring] 20 inches long," Dorough told PEOPLE, adding, "Leigh is such an incredible woman and mother … I feel so lucky to have such an amazing family." Also born this month: Bryan Adams's second child, daughter Lula; and Amber Rose and Wiz Khalifa's first child, son Sebastian.
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"I got a funny text message from a friend of mine who said that if I pinched an area between Molly's ankle bone and her Achilles, it would put her into labor," Jason Mesnick told PEOPLE shortly after the birth of The Bachelor couple's first child together, daughter Riley. "So as a joke I actually did this at about 10:30 at night – and about 3½ hours later, Molly went into labor." The reality stars, who wed in February 2010, are also parents to Ty, Jason's 9-year-old son from his first marriage. Also born this month: Kristen Bell and Dax Shepard's first child, daughter Lincoln; Holly Madison's first child, daughter Rainbow; Lisa Ling's first child, daughter Jett; and Beverley Mitchell's first child, daughter Kenzie.
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"I've worked diligently to become a father for 23 years," Tom Arnold told PEOPLE after the April 6 birth of his Jax, with his wife of four years, Ashley. After enduring "21 cycles of in-vitro with four different women," the actor said he realized "this was exactly the way it was meant to be. I was ready because I was healthy and had the perfect partner." Also born this month: Ian Ziering's second child, daughter Penna; Kerri Walsh Jennings's third child, daughter Scout; and Jenna Bush Hager's first child, daughter Margaret.
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Last year's Sexiest Man Alive Channing Tatum became the sexiest dad alive when he welcomed his first child, daughter Everly, with wife Jenna on May 31. The action star revealed he required a little training for his latest role as a daddy, telling PEOPLE "I have never changed a diaper before, so I may need some help learning." Also born this month: Nick and JoAnna Garcia Swisher's first child, daughter Emerson.
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Just two months after their daughter, Maxwell, celebrated her first birthday, Jessica Simpson and fiancé Eric Johnson had another big reason to celebrate: they welcomed son Ace on June 30. Though the Fashion Star mentor had initially planned to keep the sex of her baby a secret, she let slip that she was expecting a boy on Jimmy Kimmel Live in March. "I'm so excited to have a son," she told PEOPLE in April. "I didn't grow up with a brother and I think the unknown is really exciting. I can't wait to have that connection with our little man." Also born this month: Kim Kardashian and Kanye West's first child, daughter North; and Shannon Miller's second child, daughter Sterling.
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Jimmy Fallon got serious during his Late Night monologue to make the emotional announcement that he'd become a first-time dad with his wife of six years, Nancy, on July 23. "Her name is Winnie Rose Fallon and she's so cute," the smitten new dad told viewers. "She's 5 lbs., 9 oz. Me and my wife are so happy." Also born this month: Prince William and Duchess Catherine's first child, son George; Penélope Cruz and Javier Bardem's second child, daughter Luna; Ali Landry's third child, son Valentin; Busy Philipps's second child, daughter Cricket; and Jamie Bell and Evan Rachel Wood's first child, a boy.
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Josh Duhamel and Fergie kept their son's name a secret from everyone – even the Black Eyed Peas singer's mom – ahead of his Aug. 29 arrival. The baby's name came to Fergie in a dream. "It was like he was feeling the music with me," the new mom told Ellen DeGeneres of feeling her then-fetus kick while she was having a dream about Axl Rose performing. "It was really beautiful." Also born this month: Jamie-Lynn Sigler's first child, son Beau; Alec and Hilaria Baldwin's first child together, daughter Carmen; and Vince Vaughn's second child, son Vernon.
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Ray Donovan star Johnathon Schaech and his wife Julie Solomon were on the same page when it came to naming their son Camden, born Sept. 12 in Los Angeles. "Julie came up with 'Camden' – she had no idea my hometown team played at Camden Yards," the Maryland-raised actor told PEOPLE. "We have my team pennant hanging up in the baby room." Also born this month: Rachael Leigh Cook's first child, daughter Charlotte; Jordana Brewster's first child, son Julian; and Mario Lopez's second child, son Dominic.
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Zac Hanson had fans swooning when he shared this super-cute snap to celebrate the Oct. 17 arrival of son George (called Abraham), baby No. 3 with his wife Kate. "We are so happy and thankful to add more life and love to our family," said the drummer, who's already dad to son John, 5, and daughter Junia, 3. Also born this month: Emile Hirsch's first child, son Valor; Halle Berry and Olivier Martinez's first child together, son Maceo-Robert; and Ivanka Trump's second child, son Joseph.
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"I've always wanted to be a mom," Jennifer Love Hewitt told PEOPLE in September. "I had a great relationship with mine. I'm ready to pass on to my child all the great love that my [late] mom had for me." The actress got her wish when she and husband Brian Hallisay welcomed daughter Autumn (and announced that they'd wed!) on Nov. 26. Also born this month: Autumn Reeser's second child, son Dashiell; Erin Burnett's first child, son Nyle; and Tony Kanal's second child, daughter Saffron.
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"My kids are my whole world," Kate Winslet once told Good Housekeeping. "I love the routine. I love getting up in the morning and getting breakfast and packing lunches and doing the school run. Those things are really important to me." She'd better be ready to get back into that groove: the actress and husband Ned Rocknroll welcomed their first child together, a boy, on Dec. 7. Baby joins Winslet's children from her previous marriages, Mia, 13, and Joe, 10. Also born this month: Lee Brice's second child, son Ryker; and Kim Fields's second child, son Quincy.