Korean celebrities took to social media on May 5 to share photos of themselves as children.

This is in conjunction with South Korea’s Children’s Day, which is a national holiday in Korea.

K-pop group Stray Kids’ members I.N, Lee Know; girl group Weeekly’s members Lee Jaehee, Jihan, Park Soeun, Lee Soojin and Zoa; as well as Girls’ Generation’s members Taeyeon and Seohyun all posted their photos on Wednesday.