Fans are going crazy over this rookie male idol's transformation as Harley Quinn this Halloween and it is undoubtedly one of the best!

At a recent fan signing event for Seventeen, Junghan, who is already widely known for his androgynous image, was seen dressed as female super villain Harely Quinn.�

All of Seventeen members were also seen dressed in various popular Halloween costumes such as Little Prince and Captain Hook. However, Junghan took the crown when it came down to who's costume fit the best.

In regards to the fan signing event, members of Seventeen said, "It was good spending time with our fans on Halloween for the first time since our debut. From dressing up as a vampire to member-change costumes, this will become a memorable Halloween especially because we were able to spend time with our fans."�

Check out some fan-taken photos of Junghan as Harley Quinn below!

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#SEVENTEEN's Halloween ??? #??

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