New baby makes four! Sopranos star Jamie-Lynn Sigler revealed today via Instagram that she and husband Cutter Dykstra have welcomed their second child.

“He’s here,” Sigler shared along with the first photo of her newborn son snuggled up on her chest. “Jack Adam Dykstra, we will talk about your tardiness eventually, but for now we’ve got a lot of love to give. Thanks to my besties for helping me laugh and smile and to my husband for just being my rock.”

Baby Jack joins big brother Beau Kyle, 3, who posed for some pics in the Instagram slideshow, proudly holding his new little bro.

Back in July, Beau also helped his parents tell the world that they’d be welcoming another boy into the family. In a game of backyard baseball, Beau put his bat to a ball that burst, sending baby-blue powder into the air.

The family didn’t hold back on other details about the pregnancy, either. They made the announcement that a second bundle was on the way with an ecstatic Instagram post, showing Sigler beside FIVE positive pregnancy tests. “This is the actual pic I sent my husband this past Mother’s Day while lying on the bathroom floor,” she admitted at the time.

Sigler has been equally open about her desire to have a big family. “I’ve got an amazing husband, the best son, and I hope that we can make more babies and just keep having fun,” she told People in 2016. “I’m the luckiest girl in the world.” Congrats to the growing family!

What do you think of Jamie-Lynn Sigler’s first new baby pics? Let us know @BritandCo!

(photo via Rachel Murray/Getty Images for MGA Entertainment)