Photo: Hilaria Baldwin/Instagram; Jesse Grant/Getty

AlecandHilaria Baldwin’s little girl was excited to share some big news with her younger siblings.
On Monday, the yoga pro, 38, shared avideoon Instagram where the actor sits with his younger kids as daughter Carmen, 9, explains to the rest of their brood that big sisterIreland Baldwinisgoing to be a mom.
“So you guys know what uncle means. It means that your sister or brother is pregnant, or they have a kid,” Carmen says, pointing to each of her siblings and telling them they’ll be an uncle or an aunt with the new arrival.
“What am I?” Alec asks.
“You’re going to be a grandpa,” Carmen replies, to which the actor covers his face. “Ireland’s pregnant.”
The family then sits together and sends their congratulations to the 27-year-old and boyfriendRAC(born André Allen Anjos).
“From all these excited tiny uncles and aunties and grandpa Alec and grandma me… We are so happy for you, Ireland and Andre…can’t wait to meet the little babe ❤️,” Hilaria captioned the sweet post.
Never miss a story — sign up forPEOPLE’s free daily newsletterto stay up-to-date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human interest stories.
Ireland, whom Alec shares with ex-wife Kim Basinger, is the oldest of his eight children — which also includesIlaria Catalina Irena, 3 months, Maria Lucia Victoria, 23 months, and Carmen, as well as sonsEduardo “Edu” Pao Lucas, 2,Romeo Alejandro David, 4,Leonardo Ángel Charles, 6, andRafael Thomas, 7.
On Saturday, the mom-to-beposted a photo of a sonogram, writing in the caption, “Happy New Year ❤️.”
Abbey Drucker

She also shared a picture of herself next to a toilet appearing to experience morning sickness, saying that if you’d had trouble getting in touch with her recently, “it’s because this was me for the past while.”
Ireland created a highlight on her Instagram page from stories documenting her romance with RAC and simply captioned it, “👽❤️👽.”
source: people.com