Kit HaringtonandRose Leslieare about to become a family of four!
TheGame of Thronesalumrevealed the news on Friday’s episode ofThe Tonight ShowStarring Jimmy Fallon, telling hostJimmy Fallonthat his son is “about to get the shock of his life.”
“Which is that he’s about to get a brother or sister,” Harington continued, before Fallon, 48, offered him a congratulatory handshake.
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Kit Harington and Rose Leslie.Presley Ann/Getty

When asked onThe Tonight Showwhat his oldest son thinks of a newborn entering the family, Harington revealed that he doesn’t think his child has “quite conceptually understood it just yet.”
Before the pregnancy talk, Harington opened up to Fallon about his firstborn, sharing that his son is now two years old and is “quite smart.”
“It’s surprising, seeing as we’re both actors,” he said, referring to himself and Leslie. “We’re like, we’re not sure quite where that’s come from … He likes applause. Every time he does something good, we give him applause, and we’re worrying that’s kind of pushing him towards acting. We’re a bit like, ‘Eh, you might be too smart for this. Go save the word, we’re sick, we had no choice.’ "
Kit Harington (left) stands beside his wife Rose Leslie (right).Samir Hussein/WireImage

Harington and Lesliefirst meton the second season ofGoTwhen they portrayed lovers Jon Snow and Ygritte. And while a relationship didn’t last on screen, they attended their first red carpet outing off-screen together in 2016.
In June 2018, Leslie and Haringtongot marriedin a romantic ceremony at Kirkton of Rayne church in Scotland.
RELATED VIDEO: Kit Harington on Being a Dad: ‘It’s Just the Most Astonishing Thing’
source: people.com