Allison Williams and Alexander Dreymon has welcomed their first child together, according to reports.
Sources have said the pair welcomed a son named Arlo in the winter after becoming serious together throughout lockdown.
Girls star Allison, 34, The Last Kingdom's Alexander, 39, and baby Arlo were recently seen enjoying a vacation at a private resort in Abaco in the Bahamas, sources told People.
The source said: "They seemed to be very happy and very much in love."
Allison's dad Brian Williams was also reportedly on the trip in which she appeared to be wearing an engagement ring.
The duo are said to have started dating in 2019 while they were working on the film Horizon Line.
The duo played former lovers who became stuck on a plane together after the pilot died from a heart attack.
Speaking of their reported latest arrival, the source continued: "They are both private people individually, and they made the decision to keep this happy news to just a small circle of family and friends.
"But they're over the moon."
Allison was previously married to American entrepreneur Ricky Van Veen.
The pair tied the knot in 2015 but went their separate ways four years later in 2019.
At the time, the pair released a statement together to Page Six which said: "With mutual love and respect, we have made the decision to separate as a couple.
"We are grateful for the friendship that we have and will continue to have."
Ricky, 41, has since remarried to his partner of two years Caroline Kassie.
Another source told People: "I think it's one of those things where Allison and Ricky are both with their forever people now.
"They remain on good terms, but everyone who knows them agrees that it was for the best."
Allison is best known for her role on Girls and has also featured as Kit Snicket on A Series of Fortunate Events. She is set to star in horror film M3GAN.
Her new beau Alexander is best known for his leading role on Netflix hit series The Last Kingdom.
The German-born actor played the role of Uhtred of Bebbanburg in the popular drama.
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