"Killer Queen", is a song by the British rock band Queen and was written by lead singer Freddie Mercury. It was their breakthrough hit, reaching #2 in the UK and #11 in the United States in early 1975. The song was taken from Queen's 1974 album Sheer Heart Attack, and was released as a Double A-side, along with "Flick of the Wrist".
Mercury commented that the influences he received for the track included early Beatles records, Beach Boys and (lyrically) Noel Coward. .