The new baby will join the Rules of Engagement star's son Wilder, 2
Oliver Hudson and Erinn Bartlett are expecting their second child, his rep confirms to PEOPLE.
The Rules of Engagement star, 33, and his actress wife, 36, are already parents to son Wilder Brooks, 2.
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Of his son’s arrival in August 2007, Hudson said, “It was crazy, the most insane, intense experience of my life. I went through every range of emotions…the fear and love, it was all coming down on me at once. It was intense.”
Rules of Engagement airs Mondays at 8:30 p.m. on CBS.
• Reporting by JULIE JORDAN