All the pictures are recent so I'm not screwing with you, but I of course I didn't pick people who are easy to judge :P.
No looking up and spoiling and all that pls :( don't ruin it.
I'll tell you the answers when a bunch of people have guessed.
Girl 1 is 31! She doesn't age at all You can see pictures of her over the years here. www.allkpop.com/.../netizens-are-convinced-that-dara-doesnt-age I know it says 32 at the last one but you're 1-2 years older in Korean age https://www.youtube.com/watch?v=ISEoXdHb4W4 here's the debut single of her group.
is only 18! I was surprised by that that's why I picked her aswell. She's part of a group that I think is most underrated. https://www.youtube.com/watch?v=uml18k9lzUk