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.