Pop-star Katy Perry has unveiled her latest fragrance, titled Killer Queen. Created by Laurent Le Guernec of IFF, the Eau de Parfum contains top notes of wild berry, dark plum and bergamot, middle notes of red velvet flower, natural jasmine sambac and rainbow plumeria, before ending with base-notes of cashmeran, natural patchouli heart and liquid praline. Killer Queen is presented in a jewel-shaped bottle in shades of royal red and gold.  The Eau de Parfum will be available nationwide from August 28.