And baby makes four!

Sin City Saints actor Tom Arnold and wife Ashley Groussman have welcomed their second child, a daughter named Quinn Sophie, on Friday, Dec. 18.

The little one arrived at a Los Angeles hospital at 12:39 p.m., weighing 7 lbs., 9 oz. and measuring 22 inches long.

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tom arnold & wife

The actor, 56, and his wife have long been vocal about their fertility struggles and were thrilled the share the news about their second little addition, who joins big brother Jax Copeland, 2.

“Our second miracle has arrived and she is perfect,” the couple told People.

Congratulations to the growing family!