On the SBS program "Inkigayo" that was broadcasted on Sunday, IU and Lee Jong Suk wore police outfits in celebration of Police Day. 

The MCs revealed that it was Police Day.

IU wore a police outfit and said, "If you meet a police officer on the sidewalk, it would be nice if people smiled and said hello to them. Thank you to the police officers of Korea.

Internet users who saw IU wearing police costume commented, "IU's police outfit, she's a cute child," "She's lovely," and "Lee Jong Suk and IU look good together."