0928_vanderbeekJames Van Der Beek is now a proud papa.

The former "Dawson's Creek" star and wife Kimberly Brook welcomed a daughter into the world on Saturday, which James announced via Twitter last night.

James writes "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 ... 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."

Olivia is the first child for both.

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