Dawson has become a father!

James Van Der Beek and his new wife Kimberly welcomed a daughter, Olivia, on Saturday.

The actor tweeted the good news this morning.

"Had the blessing of becoming a father over the weekend... Couldn't come close to describing this bliss even if I had 140 million characters," he wrote, adding "Olivia Van Der Beek, born 9/25. I apologize in advance for any obnoxiously precious new-dad tweets that may follow. I'm under her spell..."

Congrats to the proud new parents!