The audition videos of idols!

The audition video’s of SNSD’s Seo-hyun, SHINee‘sTae Min, and f(x)‘s Krystal were revealed in MBC’s “Infinite Challenge” on July 31st.
In the episode, the Infinite Challenge members participated in a real open audition for SM Entertainment.During the auditions,they discovered the audition videos of current SM stars. Despite her young age, Krystal looked pretty with her S-line and innocent appearance in the video. Although Seo-hyun and Sulli were younger than Krystal when they took part in theirs, they were not nervous while performing. On the other hand, Tae-min only prepared a dance for his performance, but he did a great job.

Check out the audition clips below. Who you think is the cutest among them all?