Game of Thrones

actors Rose Leslie and Kit Harington are expecting their first child, they announced during a photo shoot with

Make Magazine

.

One of the magazine's founders shares a photo from the shoot, showing Leslie her pregnant belly, on Instagram: “Working so great with the beautiful Rose Leslie on the cover story of @make_magazineuk as she prepares for the first time. maternity!"

The couple met in 2012 on the set of

Game of Thrones.

33-year-old Harington and also 33-year-old Leslie kept their relationship a secret from the general public for four years. The couple only told about their relationship in 2016. Three years later they were married in Scotland.