With two girls already - Honor Marie, 9, and 6-year-old Haven Garner, the family must've been over the moon when they found out they were having a boy.
"@cash_warren and I couldn’t be more thrilled to announce... 👶💙," Alba captioned her baby reveal Instagram video. "#officiallyoutnumbered #babyboy#cantwaittospoilhim #hugsandkissesforlife #soontobemamaofthree"
The couple announced they were expecting in July with a cute video featuring Alba and their daughters.
Congrats to the happy family!