The 34-year-old Yoga Vida co-founder posted a close-up photo of her son with husband Alec Baldwin on Monday, May 21 and revealing the name of her fourth child, she wrote in the caption, "We are happy to introduce you to Romeo Alejandro David Baldwin".
Here's the sweet post, check it out.
As previously reported, the adorable couple announced on Thursday, May 17 that they have welcomed the newest addition to the family, sharing a sweet photo of mom, dad and baby together.
Besides Romeo, Hilaria and Alec share three more kids together; two sons Rafael, 2, and Leonardo, 18 months and a daughter Carmen, 4.Alec also has a daughter, Ireland, 22 with his ex-wife Kim Basinger.
Alec announced her pregnancy on November 3, posting a sweet Instagram snap Instagram.
Later that month, Hilaria took to Instagram to reveal the sex of their baby. In the post, the family appeared to sit around a cake as Hilaria cut into it to find blue filling.
The couple first met at a restaurant in February 2011 in New York City before they got married in June 2012. The wedding ceremony was conducted at St. Patrick’s Cathedral.