Despite being the oldest members of their groups, these idols have total babyfaces. See if you can guess their birth year just by looking at them — and no, none of them are teenagers!

1. Jin (BTS)

Jin is the perfect mix of squishy and totally handsome, leaving fans in a perpetual state of love and confusion.

  

His fun-loving personality may make it hard to guess the year he was born!

    

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Answer: December 4th, 1992

2. Nayeon (TWICE)

New fans of TWICE probably won’t suspect Nayeon as the oldest member.

 

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From her doll-like eyes to her bunny smile, it’s hard to believe she was actually born…

 

Answer: September 22nd, 1995

3. Irene (Red Velvet)

Irene is known for her innocent and gorgeous visuals.

 

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New fans may never suspect that she’s the oldest in Red Velvet.

 

Answer: March 29th, 1991

4. Xiumin (EXO)

From Xiumin‘s small stature to his big eyes, it’s very easy to think he’s the maknae of EXO.

 

It’s even more shocking to learn that he’s not even close to being the maknae — and is actually the eldest of the group!

 

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Answer: March 26th, 1990

5. Taeyeon (Girls Generation)

Taeyeon might as well be drinking from the fountain of youth because she looks like she’s aging backward.

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| @taeyeon_ss/Instagram

Would you be shocked to know Taeyeon isn’t a 90s baby?

 

Answer: March 9th, 1989