Stiles' rep confirmed to PEOPLE exclusively that the actress and her fiancé will welcome their first child later this year
Julia Stiles and her baby bump made their red carpet debut!
The pregnant actress, 36, cradled her bump Tuesday night at the launch of her new show, Riviera, at Halcyon Gallery in London.
Stiles previously showed off her pregnant belly in a recent photo taken with radio presenter Nick Snaith of Magic FM.
On Monday, Stiles’ rep confirmed to PEOPLE exclusively that the star and her fiancé, Preston J. Cook, will welcome their first child later this year.
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The couple met on the set of 2015’s Go with Me, where Cook worked as a camera assistant. The pair got engaged on Christmas Eve 2015.
Stiles has been in London promoting Riviera, an upcoming 10-part thriller series airing on the U.K.’s Sky Atlantic.
Riviera premieres Thursday, June 15.