Kimberly and James Van Der Beek Kimberly and James Van Der Beek

There's a new Van Der baby in the world!

James Van Der Beek and wife Kimberly welcomed a baby boy Tuesday, the actor announced on Twitter.

"Had my first son this morning... well, actually, my wife had him. I just caught him. Wow. Heart expanding way faster than my brain," he wrote. "If you could bottle up and distribute this feeling, I swear there'd be no more war. #fatherhood."

Exclusive: James Van Der Beek joins Dancing with the Stars... on Apartment 23

Van Der Beek and his wife are also parents to Olivia, born Sept. 25, 2010. He took to Twitter to announce the news of his first child's birth as well.

The couple married in August 2010. The actor was previously married to actress Heather McComb. Their divorced was finalized in March of that year.

James Van Der Beek takes on ABC Pilot in the role of... James Van Der Beek?

Best known for his role as Dawson in The WB's Dawson's Creek, Van Der Beek will play a loose version of himself in the ABC comedy Don't Trust the B---- in Apartment 23, which debuts April 11.