It's the one set of photos most people try to hide, but Super Junior’s Donghae made no hesitation in posting fellow member Eunhyuk’s school yearbook photo on Twitter.
"Eunhyuk you're my friend!!^^" he wrote. "Is this photo from middle school??" while attaching the embarassing vintage photograph of his bandmate as a teen.
은혁아 넌 내친구야 !!^^ 중학교때야 ?? ㅎ pic.twitter.com/KM7hj47MYV
— Super Junior 이동해 (@donghae861015) October 4, 2013
The photo shows that the 27-year-old singer -- who is currently on tour with the rest of the group in Malaysia -- was just a normal, sweet-faced turtleneck-clad schoolboy before transforming into a stylish and much-loved idol.
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Eunhyuk has been silent on Twitter since September 30 and made no reply to Donghae's tweet, but something tells us he's probably planning his sweet revenge as we speak.
Tell us: Do you think Eunhyuk has changed much?