Who is Choi Si Won describing? The sexy Super Junior member and actor tweeted about his utter confusion with a fellow member he has known for over a decade. His fashion sense still puzzles Siwon, and theSkip Beat actor recently shared his sentiments with his millions of followers.

 "Guess who? We have known each other for more than ten years, but I still don′t understand this man′s fashion world. I wonder what today's inspiration was!"

Watch Park Min Young and Ji Chang Wook team up in the thrilling action romance Healer:

A simple guess would be Kim Hee Chul. He is very eccentric and fashion forward.

Who do you think the mystery member is? 

Shelly M is an author and blogger. Follow her personal blog at BTSCelebs.com