Rachael Leigh Cook and Daniel Gillies

Perception star Rachael Leigh Cook and her husband, The Vampire Diaries and OriginalsDaniel Gillies, have named their new daughter Charlotte Easton Gillies, Us Weekly reports.

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Cook gave birth on Saturday. "It's a girl," Gillies tweeted Sunday. "The tiny new empress of my everything. she's immaculate. We're delirious."

This is the first child for the couple, who have been married since 2004.