Charlie Sheen, 47, is going to be a grandpa.
Sheen's oldest child Cassandra Estevez, 28, is having a baby (Sheen's real name is Carlos Estevez). She is Sheen's child with high school sweetheart Paula Speert.
"It's like the world's going to crack in half," Sheen joked to David Letterman this week after he announced the news.
Sheen is a father of five who has been married three times. In addition to Cassandra, he has two daughters with ex Denise Richards -- Sam, 8, and Lola, 7 -- and twin sons Bob and Max, 2, with ex Brooke Mueller.
Last month, it was reported that Richards was caring for Sheen's twins while Mueller went to rehab.
Sheen also talked with Letterman about his notorious meltdown in 2011 that led to him being fired from his hit show "Two and a Half Men." He told Letterman he'd like to be on the show's series finale. When Letterman reminded him that his character was killed off the show, Sheen responded with: "I am dead. But so is the show."
Read more about Sheen becoming a grandpa at usatoday.com.
What do you think of his soon-to-be grandpa status?
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