Pregnant Julia Stiles ties the knot to Preston J. Cook in a 'shotgun wedding' celebration

The actress confirmed on Instagram Tuesday that she and fiancé Preston J. Cook have tied the knot, sharing a photo of her now-husband’s hand on her pregnant belly.

Stiles – who was wearing a white lace dress – wrote, “Who doesn’t love a shotgun wedding?” alongside a winking face emoji.

“They got married Labor Day weekend with two friends on the beach in Seattle,” Stiles’ rep confirms to WHO's sister publication PEOPLE in a statement.

Stiles and Cook are expecting their first child next month.

The couple got engaged on Christmas Eve 2015 at a private residence in Isla Grande, Colombia, after initially meeting on her film Go with Me – where Cook worked as a camera assistant.

In 2016, Stiles told PEOPLE that she and Cook were “really slow on the wedding planning.”

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She added, “I’m not getting a ton of marital advice… Somebody told me about radical empathy, but I’m still trying to figure out what that means. I’m trying to figure out what makes it radical.”

This article originally appeared on PEOPLE.