Killer Queen by Katy Perry is a Floral Fruity Gourmand fragrance for women. Killer Queen was launched in 2013. The nose behind this fragrance is Laurent Le Guernec. Top notes are Forest Fruits, Plum and Bergamot. Middle notes are Frangipani, Jasmine Sambac and Celosia. Base notes are Praline, Patchouli and Cashmeran.