Anna Paquin's double bundle of joy is here!

The actress, 30, and her husband/True Blood costar Stephen Moyer recently welcomed twin babies, Moyer's rep confirms to Us Weekly.

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The twins -- whose genders and names have not yet been revealed -- are the first kids for Oscar winner Paquin, who wed the British actor, 42, in summer 2010 after falling in love on set. Moyer is already a father to two kids, Lilac, 10, and Billy, 12, from previous relationships.

Us was first to break news that Paquin was expecting twins back in June.

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"I love my kids beyond anything," Moyer told Us at the Playboy and True Blood party in San Diego, Calif. July 14. "They're the best things ever, and having two more is just going to be even more crazy, but that's cool!"

Interestingly enough, the Moyer-Paquin babies are not the first twins to join the True Blood family. Sam Trammell and girlfriend Missy Yager welcomed twins Winston and Gus in August 2011.

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Joked their costar Michael McMillian: "There's something in the water there!"

This article originally appeared on Anna Paquin, Stephen Moyer Welcome Twins!