“Welcome to the world little man,” she wrote. “We couldn’t be happier or more in love with you and Arnie’s loving his new cuddle buddy.”
The couple, who met in 2014 and married in March 2015, announced they were expected their first child together in June 2016.
Scodelario, most famously known for her role as “Effy” in the E4 show ‘Skins’, shared the news on Instagram with a photo holding her stomach.
“I love you @findthewalker I love our little family,” the actress wrote.
Congrats to the couple!