Celebrity babies who made their debuts on social media

Four months after giving birth to her second child, Behati Prinsloo gave Gio Grace Levine her big debut! The supermodel posted a heartwarming photo of her husband, Maroon 5's Adam Levine, holding their baby, who is now a little sister to their one-year-old daughter, Dusty.
She captioned the gorgeous snap: "My first baby holding OUR second baby.....Our girls are so lucky to call you dad and I’m so lucky to have you as a husband a lover and a friend. We love you. Life is better with you. - To my dad, thank you for being the best example to show me what i would want in a husband and father one day, the way you look at mom is the way Adam looks at me, thank you for being the best dad EVER."
Photo: © Instagram/@behatiprinsloo

A few weeks after giving birth to her first child, Serena Williams shared the sweetest photo of her baby girl on Instagram. "Meet Alexis Olympia Ohanian Jr," wrote the tennis player. She was named after her proud father, Alexis Ohanian.
Photo: Instagram/@serenawillams

Maksim Chmerkovskiy and Peta Murgatroyd gave fans a glimpse of their son Shai Aleksander. The two Dancing with the Stars pros cozied up next to each other, while their five week old son lay on his father's chest. "Happy V-Day to my absolute number one Thank you, I love you and I'm in love with us... #Family #babyChmerkovskiy #HappyValentinesDay."
Photo: Instagram/@maksimc

Armie Hammer and wife Elizabeth welcomed their second child on Jan. 15 2017.
The new mom shared the sweetest photo of her growing family, in which daughter Harper hugs her new little brother while dad Armie looks on.
The caption reads: "Beyond grateful for the prayers and for this ultimate blessing. We couldn't be more in love
Photo: © Instagram/@thisisechambers

Megan Fox’s son Journey River Green made his social media debut on October 26, 2016, finally giving fans a glimpse of the adorable little guy. The star welcomed her third child with husband Brian Austin Green on Aug. 4 in Los Angeles. The couple have two other little ones, Noah and Bodhi, as well as Brian's teen son Kassius from a previous relationship.
Photo: © Instagram/@the_native_tiger

Olivia Wilde and Jason Sudeikis welcomed their baby girl on Oct. 11, 2016. The happy mom posted their daughter's first photo on Oct. 15 with the caption, "There goes the neighbourhood. Daisy Josephine Sudeikis. Born, like a boss, on #internationaldayofthegirl."
Photo: Instagram/@OliviaWilde

Adam Levine and Behati Prinsloo both shared the photo above on their Instagram accounts with their precious little angel's name and birthday Sept. 21, 2016. The Victoria's Secret Angel even wrote: "Words can't describe" with a pink heart emoji.
Photo: Instagram/@AdamLevine

Alec Baldwin and Hilaria couldn't wait to share the news of the arrival of their third child. The pair's son Leonardo made his entrance into the world on Sept. 12, 2016, and made his social media debut in his mommy's arms hours later.
Photo: Instagram/@hialriabaldwin

Jamie Oliver and his wife Jules were shocked to find out that a baby boy was joining their girl-heavy family. Jamie shared the news of his son's safe arrival with his fans in August, along with a picture of the still-unnamed baby swaddled in a blanket, "And then this just happened guys!! IT'S A BABY BOY! Everyone in the Oliver family is very surprised and beyond happy," he wrote on Facebook.
"He arrived safely, mum/@joolsoliver was really really amazing, unbelievably composed, natural birth and my two eldest girls got to come in at the very end as the baby was born which was amazing to witness very very emotional."

Jillian Harris and her partner Justin Pasutto welcomed their first child, son Leo, on August 5. The new mommy took to her Instagram to show off her little man and announce his arrival. The Bachelorette star captioned the pic of her handsome new addition, "World, meet little Leo... (Queue heart explosion) The last 48 hours have been the best of our lives. Thank you @slipperygoose for giving me the greatest gift of all."

Chris Klein and his wife Laina Rose Thyfault welcomed their first child, son Frederick Easton Klein, on July 23. The proud father took to social media to introduce his little boy to fans, writing, “So incredibly blessed and forever grateful for my amazing wife & our healthy baby boy." He added, "Laina delivered me a miracle.”
Photo: © Instagram

Liv Tyler finally has her little girl. The actress welcomed daughter Lula Rose Gardner with her fiancé David Gardner on July 8, 2016. The Armageddon star, who is already a mom to sons Milo Langdon and Sailor Gardner, posted a photo on Instagram of her fiancé cuddling with their baby girl. Liv captioned the tender picture, "Hello!!!!! our beautiful baby girl is here !!!! Lula Rose Gardner we are sooooo happy heart exploding with love !!!!!"
Photo: © Instagram

She's here! Alanis Morissette announced the arrival of her and husband Mario "Souleye" Treadway's daughter on Instagram. The Canadian singer, who is already a mom to son Ever, posted a sweet photo of her newborn, writing, "she's here! onyx solace morissette-treadway June 23 2016 #beyondblessed."
Photo: © Instagram

Former Bachelorette Ali Fedotowsky introduced her daughter Molly on Instagram by sharing a sweet photo of her newborn laying on her chest. Attached to the tender picture, the first-time mom wrote, "Welcome to the world Molly Sullivan Manno. Born at 8:22am on 7/6/2016 weighing 7lbs 6oz and measuring 22 inches long. You are absolutely beautiful and perfect in every way. @KevinManno & I love you more than we will ever be able to put in words. Thank you for making me a mommy. (Named after our late grandmothers Molly Fedotowsky and Eva Sullivan)."
Photo: © Instagram

Former Bachelor star Sean Lowe was full of joy as he introduced his baby boy with wife Catherine Giudici Lowe to the world. He captioned the snap, shared over the Forth of July weekend: "My boy and me." The couple named their bundle of joy Samuel Thomas.
Photo: © Instagram

Mommy's little girl. Erika Christensen, who welcomed daughter Shane with husband Cole Maness on June 21, introduced her baby girl to the world with a precious Instagram photo in which the actress sweetly planted a kiss on the newborn. Attached to the photo, Erika wrote, "Week one down with the new BFF. Our girl Shane is killing the newborn game."
Photo: © Instagram

Chelsea Clinton and her husband Marc Mezvinsky welcomed their second child, son Aidan Clinton Mezvinsky, on June 18. The proud mom shared the first photo of her new bundle of joy on Twitter, writing, "At 7:41 AM Saturday, our family and hearts expanded with Aidan’s arrival. We are blessed."
Photo: © Twitter

Like father, like son. Olympic swimmer Michael Phelps shared a laid-back photo of himself and his son Boomer Robert Phelps, whom he welcomed on May 5, 2016 with his fiancée Nicole Johnson. The proud first-time dad had announced his son's arrival, writing, "Welcome Boomer Robert Phelps into the world!!! Born 5-5-2016 at 7:21 pm !!! Healthy and happy!!! Best feeling I have ever felt in my life!!!"
Photo: © Instagram

Just a few days after announcing the arrival of her and John Legend's first child (who was born on April 14), model Chrissy Teigen shared with fans a glimpse at baby Luna Simone. Attached to a photo of herself cradling her daughter she wrote, "hi my lulu!"
Photo: © Instagram

Ivanka Trump and Jared Kushner had a sweet welcome over the Easter holiday in 2016 with the birth of their third child, Theodore James. At 5:43pm, on March 27, Ivanka and Jared welcomed their little man into the world. Theodore joins siblings Arabella and Joseph.
Photo: © Instagram

Ne-Yo and his wife Crystal Renay welcomed Prince Shaffer Chimere Smith Jr. into the world on March 15, 2016 and showed off their adorable newborn in a cuddly Instagram snap.
Photo: © Instagram

Heather Morris introduced the world to her and Taylor Hubbell's new baby boy Owen Bartlett Hubbell, who was born on February 11, 2016 and weighed in at 7 lbs 3oz.
Photo: © Instagram

Introducing little Elias! GRAMMY-winner Michael Bublé debuted his little guy to the world for the first time via social media after his wife Luisana Lopilato gave birth in January.
Photo: Instagram

Here she is! Kristin Cavallari shared an adorable first snapshot of her and Jay Cutler's baby girl Saylor James on her app. The little one made her introduction to the world on November 23, 2015.
Photo: © Kristin Cavallari

Kim Kardashian and Kanye West's son Saint West made his social media debut on his mother's Instagram account in celebration of her late father Robert Kardashian's birthday.
Photo: © Instagram

He's a saint! Kim Kardashian West shared this adorable snapshot of her and Kanye West's newborn son Saint West, who was born on December 5, 2015, holding his sister North West's finger.
Photo: © Instagram

Cam Gigandet and fiancée Dominique Geisendorff welcomed their third child on November 30. The proud mom introduced her daughter, Armie Heartly Gigandet on Instagram, sharing a sweet photo of her new bundle of joy sleeping.
Photo: © Instagram

Louis Tomlinson shared a pick of his little lad Frankie, who was born on January 22, 2016. The newborn was already getting acquainted with dad's extensive tattoo collection!
Photo: © Instagram

Baby makes three! Lauren Bush Lauren and husband David Lauren welcomed their first child in November. The FEED Projects founder introduced her son James with an angelic, sleeping photo captioned, "Welcome to the world sweet baby James, born yesterday morning on November 21st at 8:19am! @davidlauren and I are beyond thrilled and in love!”
Photo: © Instagram

Leah and Brandon Jenner introduced the world to their baby girl Eva James Jenner with a sweet message that read, "It's an honor, little one" on the new mommy's Instagram page.
Photo: © Instagram

"Jagger Snow Ross !! We love her so much!!! She is beyond everything!!! I have the best baby daddy @realevanross In the world. Love you," Ashlee Simpson shared the introduction of her new baby girl.
Photo: © Instagram

Tiffani Thiessen shared the news of her growing family with the message, "Yesterday Harper got a little brother! We are so excited to introduce Holt Fisher Smith. Our perfect sweet little man. #weareblessed #familyoffour."
Photo: © Instagram

Those sweet little feet. Haylie Duff had the help of her furry companion with the introduction of her baby girl.
"Chicken's favorite spot to sit while I feed Ryan. #BFFs."
Photo: © Instagram

Not only did the world get a chance to meet Jaime King's new son Leo Thames, but his godmother Taylor Swift had a sweet introduction to the baby boy as well.
Photo: © Instagram

One proud dad! Michael Buble couldn't wait to share the news of his first son's arrival. He wrote, "Overjoyed and filled with gratitude at the arrival of our son Noah Bublè. Born this morning, August 27th at 2:26 am in Vancouver, Canada."
Photo: © Instagram

Nice to meet you! "Meet the newest love of our life, Wilder Frances Faison. #babygirl," shared Cacee Cobb.
Photo: © Instagram

Awwww! Terrence Howard has a little lion to pass the Empire to. "A mythical 1/2 dragon 1/2 lion who glides above the land so as not to harm even a blade of grass... meet Qirin Love!," he shared on his Twitter next to a photo of him and his son Qirin sleeping.
Photo: © Twitter

"I'm so in love," captioned Liv Tyler alongside this photo of her new bundle Sailor Gene Gardner's feet.
Photo: © Instagram

Frances Fallon made her grand debut at 2 months on her dad Jimmy Fallon's Instagram. The 'Tonight Show' host wrote, "Franny Fallon wishes you a happy Tuesday!"
Photo: © Instagram

How sweet is that little face! Kourtney Kardashian introduced the world to her sweet "little turtle dove angel baby boy" Reign Aston Disick.
Photo: © Instagram

Thumb wrestling isn't always this sweet! Ryan Reynolds shared a sweet pic of him losing a thumb war to his and Blake Lively's little girl James.
Photo: © Instagram

Twinning! Zoe Saldana shared this hilarious image of her boys Cy and Bowie trying to make it out of the door with their father Marco Perego.
Photo: © Instagram

Go Blue! Justin Timberlake shared the first image of his and Jessica Biel's son Silas supporting the home team!
"The Timberlakes are ready!!! GO GRIZZ! #GritNGrind #Playoffs #BabyGrizzROAR."

Like mother like daughter! Vanessa Lachey shared this sweet pic of her and Nick Lachey's daughter Brooklyn, with the sweet story behind her birth on her website.
"Baby girl Lachey is finally HERE and we couldn’t be happier!!! All her sweet little details are on VanessaLachey.com. Thank you for all of the love and support, we are over the moon!"