Mommy and me … by the campfire. Pregnant actress Julia Stiles braved the great outdoors over the weekend, visiting the Gorge Amphitheatre in Washington state to see Nathaniel Rateliff & the Night Sweatsperform with Kings of Leon. “That time I went camping, nearly eight months pregnant, just to see @nathanielrateliff and the @nightsweatsnc,” Stiles wrote on Instagram alongside a photo of herself cradling her baby bump and toting a maternity pillow, with tents visible in the background. Want all the latest pregnancy and birth announcements, plus celebrity mom blogs? Stiles’ rep confirmed to PEOPLE exclusively in June that the 36-year-old star and her fiancé Preston J. Cook are expecting their first child. The parents-to-be met on the set of 2015’s Blackway, where Cook worked as a camera assistant, and got engaged on Christmas Eve 2015.