Luna Simone is going to be a big sister!

By Jen Juneau
November 21, 2017

and  — who celebrated their on Sept. 14 — are expecting their second child, she shared on social media Tuesday, hilariously captioning the video, “It’s John’s!”

“Luna, what’s in here?” Teigen can be heard saying in the background , with baby Luna pointing at her mom’s stomach and saying, “Baby!”

Teigen has been open in the past about her and her musician husband’s with now-19-month-old Luna, revealing in February 2016 that the couple  embryo during the  round that resulted in the pregnancy with their daughter.

“The first little girl didn’t work, and then the second is Luna,” she told InStyle for their , explaining that she and Legend started with 20 embryos, but that number was narrowed down to three after screening and based on what was “going .”

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The sex of the couple’s second child on the way is unconfirmed at this point, but a son wouldn’t be a surprise. In January, they spoke with  at the 28th Annual Producers Guild Awards, with a smile, “A little boy is next, for sure.”

The  host, 31, later clarified her comments , “Since this is coming up again, I said our next baby would be a boy because that is the embryo we have left. A boy. So. Yeah.”

She added , “And no, I am not pregnant.”

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The proud parents, whose baby girl has  for Legend’s Darkness and Light Tour, have been open in the past about both the ups and downs of how having Luna has changed their lives.

“Diapers on the bus, a crib on the bus — a long way from my bachelor days,” the soon-to-be father of two, 38,  with a laugh, adding that the has shifted completely since they became a family of three.

“There are some things that I would’ve said yes to before that I say no to now,” the explained. “And there are some choices that I’ll make now that I wouldn’t have made before.”

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Meanwhile, model, television personality  Teigen has dealt with her fair from people on social media, which she has stood up against multiple times in the name of .

In April, the star opened up about her in a candid essay for , citing her and divulging to her readers that the condition “does not discriminate.”

“I have really good days and really bad days, and I don’t tend to talk . But I would hate for people to think those days didn’t exist,” Teigen said in her InStyle November cover-story interview, noting of her initial reaction to her experience, “I thought I was just being a selfish a–hole.”

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