Simon Helberg and Jocelyn Towne Simon Helberg and Jocelyn Towne

Big Bang Theory star Simon Helberg's big month just keeps getting bigger.

Days after his character, Howard, tied the knot and blasted off into space in the comedy's season finale, Us Magazine reports that Helberg and his wife have welcomed their first child.

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Daughter Adeline was born on May 8, according to his rep.

Helberg, 31, and his actress-writer-director, Jocelyn Towne, met in Los Angeles and married in 2007.