EVIDENCE @ KOREAN AAA CONCERT
Warning: There's alot of fangirl screaming at the top of their voices, so lower your volume just in case and he starts to really dance to it towards the end of the video, about 2 min-ish.
He evidently danced to Wonder Girls' song Nobody during their Korean concert upon the Korean fangirls request and he managed to danced through the entire chorus of Nobody - I am quite surprised he could do it actually. He must have somehow found out about Wonder Girls one way or another and love them enough to even learn the dance at all xD
I hope this has not been posted before and if it has, mods feel free to delete this post. ><