Katherine Heigl Welcomes Baby Boy With Husband Josh Kelley

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Congrats to Katherine Heigl and husband Josh Kelley on welcoming their third child!

ET can confirm that cute couple have welcomed a son named Joshua Bishop Kelley Jr. and he was born on Dec. 20. Little Joshua joins older sisters Naleigh, 8, and Adalaide, 4, in the family of five.

RELATED: Katherine Heigl and Josh Kelley Celebrate Holiday-Themed Baby Shower Ahead of Baby No. 3’s Christmas Arrival!

The couple prepared for their son’s arrival with a mountain-themed baby shower in early December.

“The Christmas holidays are a pretty big deal in my family and not only will we now be celebrating our baby’s birthday around Christmas, Josh and I also celebrate our wedding anniversary December 23rd,” Heigl shared on her blog, Those Heavenly Days. “So it’s a month full of joy and gratitude for us for many reasons!”

WATCH: Katherine Heigl's Daughters Help Dad Josh Kelley Write a Song on the Piano

The actress opened up to ET last fall about blaming her forthcoming baby boy for her pregnancy cravings for sweets, saying, "It's lovely actually because I feel absolutely no responsibility for my behavior at all. It's great."

"If I'm not on set, I don't think about them that much. And I don't eat them because they're not around," Heigl explained on the set of her new legal drama, Doubt, back in September. "But on set, crafty always has a plethora of donuts in really pretty pink boxes and I can't stop thinking about them."

See more in the video below.

EXCLUSIVE: Katherine Heigl Talks Pregnancy Cravings and Hiding Her Baby Bump on 'Doubt'