mark-paul-gosselaar-family

Congratulations to Mark-Paul Gosselaar and Catriona McGinn.

The Saved by the Bell alum, 40, and his wife welcomed their second child – daughter Lachlyn Hope – on Tuesday, (February 17), he announced via Twitter.

“So in love with our new baby girl,” the actor, 40, Tweeted Wednesday. “Mum and baby are healthy and happy. 2 boys, 2 girls, too perfect!”

The newborn is Gosselaar’s second child with McGinn. They are also parents to 16-month-old son Dekker Edward.

This is the fourth child for Gossellar. The actor is also dad to son Michael Charles, 10, and daughter Ava Lorenn, 8, from his previous marriage.

Gosselaar — who recently reunited with his Saved by the Bell costars for a skit on the Tonight Show — opened up about their big brood.

“It’s something we’re really excited about and we’ve been planning for awhile,” said Gosselaar of his fourth baby on the way. “I love big families. There’s nothing better than a happy child.”