Olive! Olympia! Leo! See Which Celeb Babies Celebrate Their Birthdays in September
ALEXIS OLYMPIA OHANIAN JR.
Dad Alexis Ohanian shared an adorable picture of his little girl on Instagram in honor of her birthday, writing, "1 year ago today, you changed our lives forever, @olympiaohanian. My adventure princess."
ERIC DECKER JR.
"Happy birthday to the most amazing little boy. My Bubby boy. So sweet and sensitive and kind and silly and quirky and the greatest smile I've ever seen," Jessie James Decker captioned a Sept. 1 photo of her middle child, Eric Thomas Jr.
"I am so lucky to be your mommy little Eric ... you brighten my day every morning when I get to see your face and kiss your stinky breath mouth," she continued. "You give the tightest hugs and are always ready to show love. Happy 3rd birthday to my sweet baby boy!!!!"
Happy second birthday, Julia Mimi Bella! Lacey Chabert's only child celebrated her newest age milestone on Sept. 1.
"Julia’s birthdays have all occurred when we are on location working, so we go with the flow and celebrate while on the road!" the actress captioned a photo of her daughter's cake and gifts (unicorns made a serious appearance!).
She continued, "We are planning a real party with friends when we get home, but for now, we will be celebrating here 💕"
Kaspyan is 1! Sept. 2 marked the first birthday of Anna Trebunskaya and boyfriend Nevin Millan's younger child, whom she welcomed at home last year via water birth.
"Happy Birthday to our sweet loving smiley baby boy Kaspyan! Can’t believe it's been a year already," the Dancing with the Stars alum captioned a photo slideshow from her son's crafty celebrations.
"Thank you our dear boy for tolerating your big sister's clumsy at times love, being not always the center of attention (as much as we want you to be), and always giving us your kind smile. We love you very much," she added.
Dave Haywood's son Cash Van is taking after him in the music department! For his fourth birthday on Sept. 7, the Lady Antebellum member's little boy got his very own drum set from his parents.
"Happy 4th birthday Cash!!!!" Haywood captioned a video of the birthday boy enjoying his new gift. "Our house got a little louder today with this present 😂 he LOVES the drums and immediately asked for us to sing his favorite song #Speechless by @danandshay to play along 💪🏻."
The actor continued jokingly, "When you're not pissed, hungry, whiny, needy, cranky, over-tired, selfish, using your toys as weapons or having a temper tantrum in target, you are an angel. I love you more and more every second."
On Sept. 9, Mario Lopez and wife Courtney's younger child, son Dominic "Nico" Luciano, turned 5.
"Happy birthday my beautiful baby boy. I can't believe you're 5!" Courtney captioned a photo gallery of her son as a baby and now. "You are the joy of my life and you brighten every room you walk into!!"
She added the hashtags, "#Nico," "#MyBaby," "#5," "#Virgo" and "#MamasBoy."
Jordana Brewster and husband Andrew Form's older son Julian also celebrated his fifth birthday this month, marking the occasion with a colorful cake at a pool party held in his honor.
"Happy Birthday Juju 🎈☀️🎈," the actress wrote, sharing a Sept. 10 photo gallery showing Julian blowing out his candles.
On Sept. 12, 2016, Hilaria and Alec Baldwin's third child, son Leonardo Ángel Charles, made his debut.
"Two days ago celebrating our #LeoAngel ‘s 2nd birthday 🎂 (amazing vegan cake from @lifethymemarket 🤤)," Hilaria commented alongside a photo of herself, Alec, Leo and his siblings: Romeo Alejandro David, 4 months, Rafael Thomas, 3, and Carmen Gabriela, 5.
While Camden John just started kindergarten, it seems to Nick Lachey and wife Vanessa that he just made them parents for the first time.
"Where has all the time gone? It seems like only yesterday I was holding this little guy in my arms and now he has grown into this incredibly smart, courageous, caring, sweet, stud of a 6 year old," the 98 Degress frontman captioned a sweet tribute post.
"September 12, 2012 6:54pm YOU made me a Mother, YOU made us a Family, YOU continue to make us Proud," Vanessa wrote, sharing a throwback hospital photo. "We Love YOU Camden John Lachey! To the moon and back ... and back again! ❤️ Happy 6th Birthday! 🎉"
SEAN "PRESTON" FEDERLINE
Teresa Giudice's youngest of four daughters, Audriana, had a blowout ninth-birthday bash, complete with a giant hot-pink "9" balloon and a three-tier pink cake, which was decorated with faux makeup, jewelry and a big bow on top.
For the occasion, the birthday girl — who turned 9 on Sept. 14 — wore a full face of makeup and a shirt that bared her belly, featuring a high neck and keyhole cutout on the chest.
“Happy Birthday to my beautiful @audrianagiudice8 hope you enjoyed your party today 😘 Love you, Mommy," Giudice captioned a mother-daughter snapshot, sharing multiple others from the bash to her Instagram feed and Story.
Gibson Kyle is 2! Emily Maynard Johnson's second-youngest child rang in the beginning of his third year on September 16, with a heartwarming message from his mom on social media.
"Gibson. My wild child. The reason I say no a thousand times a day but also the reason I laugh a million," wrote the former Bachelorette and mom of four. "You'll fight your brother and really anyone who is in your way, but you also love the hardest and I love that about you."
"You bring so much fun into our house and I love watching you figure out the world," Maynard Johnson added on her photo-gallery post. "Happy 2nd Birthday my sweet boy! I couldn't love you more."
Melissa Joan Hart's son Tucker McFadden had the happiest birthday on Earth!
The actress and her family celebrated her youngest child's birthday at Disneyland Resort on Sept. 30 (he turned 6 on Sept. 18). In one set of adorable pictures, Hart and Tucker had some fall fun as they rode a tractor at Mater's Graveyard JamBOOree in Disney California Adventure Park's Cars Land.
"When you know all about 1st birthday cake smashes and think that applies when you're 6. #wasteofcake #birthdayatdisney," the mother of three joked alongside a snap of Tucker digging (quite literally) into his celebratory confection.
Happy second birthday, Viola! Lukas Forchhammer's only child celebrated her big day on Sept. 25.
"I can't believe it's been two years since this photo was taken. Happy birthday," the Lukas Graham frontman wrote on Instagram, sharing a throwback photo of himself and girlfriend Marie-Louise "Rillo" Schwartz with a then-newborn Viola.
OLIVIA VAN DER BEEK
James Van Der Beek and wife Kimberly certainly keep bust with five children, but their oldest, daughter Olivia, was the family's focus when she turned 8 on Sept. 25.
"If I wasn't her father, I'd want to be her best friend," the actor wrote on Instagram, sharing a photo gallery of Olivia alongside a description of her spunky and creative personality. "Happy birthday, kid. Couldn't be happier to know you ❤️"
Added Kimberly on another snapshot set, "My best friend is eight years old today. She is love. She is creativity. She is wise. She is fun. She is funny. She is inspirational. She is beyond what I am capable of putting into words. Olivia, I love you."
OLIVE BARRYMORE KOPPELMAN
Birthday bonanza! On Sept. 26, Drew Barrymore's older daughter Olive was surrounded by colorful balloons to celebrate turning 6.
"Happy birthday to my love. My Olive. My girl. 6 years old today! I am so proud of you," Barrymore captioned her photo. "And I love you as big as the universe and to infinity til the end of time."
"My love is endless and immeasurable. I love being your mom. Could you tell I love ya?" the actress joked. "Actually the smallest things you do, can mean the most. You are my treasure!"
"Happy 4th birthday to this beauty! We love you so much hunnie! Continue to surprise us and make us laugh! You're doing amazing sweetie!" Polizzi wrote.
Another Sept. 26 birthday? Reese Witherspoon's adorable youngest child Tennessee James, who hit the big 6.
"Heyyyy!! It's this little guy's 6th birthday! Happy birthday to my sweet little boy, Tennessee! 🎈" Witherspoon captioned a photo of her son gripping a bundle of yellow and white balloons. "He makes me smile & laugh and remember the important things in life every day!"
Later, the Whiskey in a Teacup author shared a couple of glimpses into her youngest child's birthday bash on her Instagram Story, including a photo of him holding balloons in front of the family's front door and a video of Tennessee showing off his Pokémon cake.