Killer Queen Oh So Sheer by Katy Perry is a Floral Fruity Gourmand fragrance for women. Killer Queen Oh So Sheer was launched in 2014. The nose behind this fragrance is Laurent Le Guernec. Top notes are Forest Fruits, mulberry, Plum and Black Currant; middle notes are Frangipani, Freesia, Celosia and Jasmine; base notes are Praline, Caramel, Patchouli and Cashmere Wood.