Girl group 4minute were seen performing in an outfit that seemed to cause an optical illusion.

MBC 'Korean Music Wave in Bangkok 2012' aired on April 28, featured 4minute performing 'Heart to Heart' and 'Mirror, Mirror.’

4minute were seen to show off their charisma through a light pink outfit. The outfit caused the girls to look like they were not wearing anything from far away, causing an optical illusion look.