EXOhas dropped Chen's image teasers for "Ko Ko Bop".
Fans have been anticipating Chen's blond hair ever since they saw his dyed hair in airport preview photos. They got a glimpse of it during his video teaser, and now have even more now through his teaser images.
SEE ALSO: Check out the preview of EXO on 'Knowing Brothers' next week!
The boys' 4th full album 'The War', including title song "Ko Ko Bop", will drop at 6PM KST on the 18th.
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