Alec and Hilaria Baldwin Reveal Gender of Baby No. 4 -- See the Cute Pics!

Alec Baldwin and Hilaria Baldwin
Rich Fury/Getty Images for THR

The couple already share one daughter and two sons.

It'll be another boy for Alec and Hilaria Baldwin!

Hilaria took to Instagram on Saturday to share pics from their sweet gender reveal party, just one day after she announced they were expecting their fourth child. 

The couple, who married in 2012, chose to have a cake reveal for their kids. Hilaria teased fans with a pic of the completed cake on Friday night. 

"It’s 9:30 and we have finally finished the cake ?! Carmen is still up and has eaten SO much funfetti ??‍♀️. I’m so excited to tell you all tomorrow if it’s a girl or a boy!!!" she wrote. "I’m gonna have the kids cut the cake with us!! ????????."

"Ready for it??? Watch and see...girl or boy! And swipe for more pics! We had so much fun doing it this way ❤️," she added on Saturday morning, alongside sweet pics of her and Alec's kids -- 4-year-old Carmen, 2-year-old Rafael and 1-year-old Leonardo -- enjoying the blue cake. 

This will be the fifth child for Alec, who is also dad to 22-year-old Ireland. See more on Ireland in the video below.