Middle school hits most people hard, but when you're an idol, your puberty struggles are out in the open for all to see! Korean netizens are wondering what the heck happened to ASTRO's Cha Eun Woo during his middle school years with recently surfaced photos.�

Look at that smile.�

SEE ALSO: SM Entertainment unveils teaser trailer of new girl group, Hearts2Hearts

But when Cha Eun Woo was in middle school, in his own words, he was "tanned and chubby."

Some netizens suspected plastic surgery, but fans quickly came to defend the idol with other childhood photos.�

Big eyes. Pale skin. Looks the same as he does now (minus the prince outfit, which hopefully he will wear once again one day).

And here is his high school graduation photo.�

And here is him when he was a baby.�

Netizens, mostly amused, commented, "He looks older in middle school than now," "Looks like he played a lot of soccer outside," and, "He turned from an ajusshi to an idol..not sure how, but I'm glad."�

Guess the idol just a really rough middle school phase like many of us! What do you guys think about Cha Eun Woo's transformation?�