Aw, it's a baby girl!

The Strain star Kevin Durand, and his wife, Sandra Cho Durand, welcomed their first child Amèlie Moon Duran on Aug. 31, and introduced the cutie in a sweet post on social media.

"My wife @SandraDurand23 and I are so proud to announce that we became parents yesterday! Amélie Moon Durand is here! So grateful n Happy:-) #loveandgoodnesstoall," Kevin captioned an adorable black-and-white pic on Instagram.

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The actor, best known for his role as Martin on Lost, has been married to his wife since 2010. Congrats to the new parents on their perfect little addition!