Laura Prepon and Fiance Ben Foster Expecting First Child

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Congratulations are in order for Laura Prepon and her fiancé, actor Ben Foster.

The Orange is the New Black actress and the Hell or High Water star are expecting their first child, a source close to the couple confirms to ET.

WATCH: Laura Prepon Engaged to Ben Foster -- See the Flawless Ring!

The reclusive couple, who have reportedly been friends for years, announced their engagement in October after they were first romantically linked in July. This is the first child for either star.

Previously, Foster, 36, was engaged, two separate times, to House of Cards star Robin Wright. Their second engagement came to an end in August 2015.

Congrats to the happy couple!

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After Prepon, 36, announced their engagement, her former That '70s Show co-star and good friend, Ashton Kutcher, revealed that he'd been left totally out of the loop.

"I'm very upset with her right now," the 38-year-old actor explained to Kelly Ripa on Live! With Kelly back in October. "She just announced this engagement, and I had to find out in the news! She's my friend!" Check out the video below to hear more.

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