Billboard's Adult Pop Airplay chart, as "Apt." climbs from No. 11 to No. 9. SEOUL, SOUTH KOREA - JANUARY 19: BLACKPINK Rose attends the 26th High1 Seoul Music Awards at Jamsil Arena on January 19 ...

Bruno Mars fans are only just realising where they have heard the song 'APT.' before. The American singer-songwriter, responsible for hits like 'Grenade', 'Locked Out of Heaven', and 'Treasure ...