K-Pop Idols Who Spent The Longest Years in Training

We all know how the K-Pop industry works. An idol only gets to the stage once he/she passes through the bloody training program of entertainment companies. Others have it easy by going through just a few months of training while others have it longer than the group’s existence. Here are some of the K-Pop idols we look up to today who spent years to debut and reach the status they have right now. RED VELVET SEULGI The group’s lead dancer trained since 2007, even before SHINee, f(x), and EXO debuted.…

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