Alec Baldwin and Hilaria Baldwin have officially welcomed the newest member of their big, happy family.
Hilaria Baldwin gave birth to the couple's fourth child together, a son, on Thursday, she announced on social media.
"He's here! He's perfect! 8lbs 2oz #wegotthis2018," she captioned a sweet photo of mom, dad and baby together.
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The proud parents have not yet revealed the youngster's name.
The little guy joins big sister Carmen, 4, and older brothers Rafael, 2, and Leonardo, 1.
The celebrity mom and dad revealed the news of their fourth little one in November 2017.
"Our Baldwinitos are getting a new teammate this spring," she announced on social media at the time. "I'm gonna make them a special cake to tell them if it's a boy or a girl...I'll post it tomorrow midday. We are so excited!"
The adorable family celebrated the youngster over cake with a surprise blue filling the next day.