Freddie Mercury on Instagram: "💥Killer Queen💥 . On October 11th 1974, exactly 51 years ago today, Queen released "Killer Queen" as a double A-side single with "Flick of the Wrist" from their Sheer Heart Attack album. . 🌟Written by Freddie Mercury, the song was their first big international hit, reaching number two in the UK and becoming their first US hit. . 🌟"Killer Queen" is about a high-class call girl, as Freddie said. "Classy people can be whores as well. That's what the song is about,