"Killer Queen" is a song by the British rock band Queen. It was written by lead singer Freddie Mercury and recorded for their third album Sheer Heart Attack in 1974. It was their first international hit, reaching number two in the UK and becoming their first US hit. The song is about a high-class call girl and has been characterized as "Mercury's piano-led paean".—Peter-Patrick76 (peter-patrick@mail.com)