Perry's scent will allegedly contain notes of peach, apple and green bamboo, jasmine blossom and freesia, as well as rose, vanilla, orchid, white amber, sandalwood and musk.
The 25-year old, who unveiled the artwork for her second studio album Teenage Dream yesterday admitted that she was nervous about the project and kept the perfume a secret until it was complete.
Russell Brand's missus explained: "I kept wanting to tell someone! It wasn't just like, 'I love gardenias'. That would have been the easy route. I really wanted to develop a scent that was completely unlike anything I'd smelled before and not one that smelled like a knockoff of another scent."