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Simon Helberg, Jocelyn Towne

Jason LaVeris/FilmMagic

Who says nerds don't get any action?

Simon Helberg—aka The Big Bang Theory's tight-pants-and-turtleneck-favoring Howard Wolowitz—is expecting a baby with actress wife Jocelyn Towne, his rep confirms to E! News.

Their little bundle of atoms is due this spring.

Helberg and Towne met in Los Angeles and tied the knot in July 2007.

The 31-year-old actor could have another reason to celebrate come Sunday, when he and his Big Bang Theory castmates face off for Best Ensemble in a TV Comedy at the 18th Annual SAG Awards.