"They are incredibly thrilled and I couldn't think of a better Christmas present for the both of them and for little Sam (their daughter)," Richards' agent, Chuck James, told People.
The couple met on the set of the film "Good Advice" in 2000. Later, Richards did guest spots on Sheen's former TV series, "Spin City," the syndicated TV show "Access Hollywood" reported Monday. The couple married in 2002.
Sheen, the son of actor Martin Sheen, also has a daughter, Cassandra, 20, from his first marriage.
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