James Van Der Beek has welcomed a baby girl, he announced via Twitter late Monday night.
"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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The girl, whom he and his wife Kimberly Brook have named Olivia, was born Saturday.
"I apologize in advance for any obnoxiously precious new-dad tweets that may follow," he wrote. "I'm under her spell..."
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His biggest hope for his baby girl?
"If I watch football w/ my daughter now, she'll like the sounds of the NFL & want to watch it w/ me when she's older," he joked.
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The former "Dawson's Creek" star, 33, wed Brook over the summer.