In light of a groundbreaking success of his ongoing drama 'Itaewon Class', Park Seo Jun's past photos went viral online.
![Park Seo Jun](http://img.sbs.co.kr/newimg/news/20200217/201403393_1280.jpg)
As you can see in the photo, Park Seo Jun brightly smiles for the camera, and his signature smile look exactly like how he smiles nowadays.
![Park Seo Jun](http://img.sbs.co.kr/newimg/news/20200217/201403392_1280.jpg)
Upon seeing the graduation photo of Park Seo Jun, fans commented, "He looks exactly the same!", "That smile though. So cute.", and more.
![Park Seo Jun](http://img.sbs.co.kr/newimg/news/20200217/201403395_1280.jpg)
(Credit= Online Community, 'bn_sj2013' Instagram, SBS funE)
(SBS Star)