Widely renown choreographer, Kyle Hanagami, was reported to be the man behind f(x)'s recent choreography for their latest comeback with "4 Walls" and "Diamond"!

According to the reports, this is the first time that f(x) and Kyle Hanagami has collaborated together despite the choreographer have been reported to have worked with various SM artists in the past such as Red Velvet and Girls' Generation.

In addition, members of f(x) also took part in creating the overall performance for their comeback tracks.�

If you haven't checked out f(x)'s first comeback performance on 'M! Countdown,' check it out below!

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