Zico revealed which celebrity video for his latest track "Any Song" left the biggest impression on him.

On the January 22nd 'Access Showbiz Tonight', the Block B member talked about his chart-topping song "Any Song" and the dance challenged attached to it. Zico explained how the challenge started, saying, "I started the challenge out of curiosity. I was surprised to see a bigger response than I expected."

As for which challenge video left the biggest impression, Zico revealed it was the one by Lee Hyori, saying, "Lee Hyori sunbaenim. At first, I couldn't believe it, but when I watched it again, it was real. I still can't believe it," expressing his happiness.

Have you seen Lee Hyori's "Any Song" video? Which challenge video was the most memorable for you?