It’s a boy — again!

‘Gone Girl’ star Rosamund Pike has welcomed her second baby, a son, with longtime boyfriend Robie Uniacke on Tuesday, Dec. 2, her rep has confirmed.

The British actress, 35 — who reportedly gave birth at home — is already mom to a two-year-old son Solo with boyfriend, Robie, 53.

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Rosamund and costar Ben Affleck in ‘Gone Girl.’

The couple first became an item in 2009 and welcomed Solo in May 2012. Rosamund announced she and Robie — a twice-married mathematical researcher who has four children of his own — were expecting their second child in June 2014.

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Rosamund rose to fame as ‘Bond’ girl Miranda Frost in 2002’s ‘Die Another Day.’ Since then she has also starred in 2005’s ‘Pride and Prejudice,’ and is now receiving critical acclaim for her role as Amy Elliott-Dunne in ‘Gone Girl.’

‘Us Weekly’ first reported this news.