October 12, 2011 02:00 PM

Tony DiMaio/Startraks

The shape of his family is shifting – Jared Padalecki is going to be a dad.

The Supernatural actor, 29, and wife Genevieve Cortese will welcome their first child next year, Padalecki confirms via Twitter.

“OK yall I’d rather you officially hear it from me … So, yes. Genevieve is pregnant. We’ll be welcoming a new member to our family in 2012,” he writes, ending the message with a smiley face.

Padalecki, who also played Dean on Gilmore Girls, wed former Supernatural costar Cortese, 30, in February 2010 in Sun Valley, Idaho.

— Sarah Michaud

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