IU secures a perfect all-kill with 'Celebrity' according to iChart at 7:30 PM KST, January 31. It's her 19th song to do so.'Celebrity', IU's pre-release single for her upcoming fifth studio album has achieved a perfect all-kill this evening of January 31st, four days after the song was released. It has since topped all five major domestic charts: MelOn, Genie, Bugs, FLO, and VIBE, both in realtime and daily charts. It has also topped iChart's realtime and weekly chart!Congratulations to IU!