James Van Der Beek and Kimberly Brook

Dawson is a daddy.

James Van Der Beek and his wife, Kimberly Brook, welcomed Olivia Van Der Beek on Saturday, the actor tweeted.

"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.

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This is the first child for the couple who married in early August. Van Der Beek was previously married to actress Heather McComb. Their divorced was finalized in March.