Jessica Alba is becoming a mother for the third time.

People reported that the actress and businesswoman announced on Instagram that she and her husband, Cash Warren, are "officially going to be outnumbered."

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In the Monday post, Alba, 36, and her children, Honor, 9, and Haven, 5, pose with balloons that have numbers representing their birth order. Alba holds a No. 3 as she has one hand on her belly bump.

"Cash and I are officially going to be outnumbered #babyonboard #herewegoagain #blessed," Alba captioned the post.

E! News reported that Alba was recently photographed on vacation in Hawaii. A source told the outlet she refrained from drinking alcohol while on the family trip.

Alba and Warren, 38, have been married since 2008.