'Mad Men' Star Kevin Rahm Reveals Baby News

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Mad Men star Kevin Rahm is going to be a dad!

The 43-year-old star announced via Twitter on Saturday that his wife, surgeon Amy Lonkar, is expecting a daughter -- the couple's first child. His tweet read simply, "Oh yeah... This is happening," and included a movie poster-style announcement of the news.

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Rahm -- who plays ad exec Ted Chaough on the AMC hit Mad Men -- also had recurring roles on the TV series Desperate Housewives and I Hate My Teenage Daughter.

He and Lonkar have been married since April 2012.