It's a girl!
Teenager mom ogCatelynn and Tyler Baltierra are expecting a daughter, the couple revealed on Instagram on Wednesday.
To share the revelation of sex, each couple posted a photo on Instagram of their 3 year and a half daughter Novalee Reign holding a "big sister" sign.
"I'm such a beautiful girl that my mom and dad wanted someone else to be their world," says the poster. "So, as our world gets a little bigger, I just can not wait to be an older sister."
The couple announced in September that they were expecting another baby after Catelynn had a miscarriage late last year.
"It surprised me so much that I was a girl because I'm sure I thought it was a boy," said Catelynn, 26. US Weekly about knowing that another daughter was waiting. Tyler knew sex before me. When we made our gender revelation, I was so surprised that I almost cried because I loved a child very much. "
Despite her initial hope of having a child, the mother of two said she could not be happier.
"I am very excited that I am a girl now," she said. "Since our miscarriage, I'm grateful to have another chance, and as long as it's healthy, that's all that matters."
While the couple will add another daughter to their family, the MTV star said that she and Tyler have already "talked about trying again" with a child.
"We definitely want to have a child, but if God only wants us to have girls, then that's what it is," he said. "It will be a house full of all the girls! Poor Tyler!
Catelynn and Tyler are also Carly's parents, 9 years old, who were put up for adoption in 2009.
On Tuesday, Tyler shared an adorable video of Nova holding and kissing a sonogram of her little sister.
"She's so excited to be an older sister and she's just melting this dad's heart to see her so happy!" #NovaleeReign #BabyBaltierra, "she wrote in the Instagram legend.
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Nova could not contain her emotion and happily said, "She's greeting me!" While kissing the photograph of Catelynn's scanner.
In an interview with PEOPLE in September, Catelynn said she was putting her pregnancy "in the hands of God."
"I think it's always going to be on the back of someone's head when you fight, like, with a miscarriage," Catelynn said. "But I mean, I was alone, I put it in the hands of God, really, whatever happens is bound to happen and I just go to whatever His plan is."