TEEN Mom OG star Catelynn Lowell has given birth to her fourth daughter with husband Tyler Baltierra.
The parents already share daughters Novalee, six, Vaeda, one, and Carly, 12, who they placed for adoption.
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Tyler shared the exciting news with a sweet video on Saturday of their little girl, writing: "She's here and she's perfect!"
Catelynn previously revealed she was in labor on Friday, taking to Instagram to share the news and her journey.
Alongside a of a baby's crib in the hospital, the TV personality wrote: "Baby R is on her way ❤️ send positive vibes 💕🥰"
She also teased the news on her as she told fans that the baby is "on her way."
Before giving birth to their new little girl, the trailer for the upcoming season of Teen Mom OG saw and Tyler's gender reveal.
A pregnant Catelynn jumped back in surprise after a small device exploded pink confetti into the air.
Catelynn teased "another girl" as her hubby , 29, wrapped his arms around her.
In June, Catelynn dropped a cheeky hint about the name of her unborn fourth daughter.
The star shared a sweet photo of Novalee posing with a sign.
Novalee's sign read, "Hello, my name is" and then shared a name beginning with "G" and ending in "a" with the middle portion blacked out.
shared the teasing post on her Instagram Stories with the caption, "Baby name reveal" and a pink heart emoji.
In May, Catelynn opened up about the "love" for her "second " in an emotional Instagram video.
"Our second rainbow baby, she is already so loved," Catelynn captioned the video, which showed her pregnancy test, baby scans, and gender reveal.
The emotional video also included a photo of daughters Nova, six, and Vaeda, two, looking excited about the upcoming addition to the family.
Alongside gushing fans, husband took to the comments to share his love for the post, writing: "I love all you girls so much."
Catelynn , sharing a photo of Novalee and Vaeda holding a sign reading: "27 weeks until I become a big sister."
The TV personality captioned her post: "This rainbow was worth the storm. Baby Baltierra coming soon."
A day later, the alum said and insisted they're not disappointed about not having a boy.
She told : "Although Tyler’s been vocal about wanting a boy he’s not disappointed at all.
"His reaction was, 'Well I guess I’m not gonna get a boy' - LOL. All in all, we are just excited to be completing our family regardless of the gender.
"We just can't wait to meet the little girl!"
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The couple after not seeing the preteen for two years because of the pandemic.
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They when they were in high school and shared their story on 16 & Pregnant.
Catelynn and Tyler's adoption counselor, Dawn Baker, shared a photo with them and wrote: "Such a fun-filled weekend with a few of my favorite people. #12yearvisit #openadoption #love."