Katy perry introduces her third signature fragrance entitled killer queenkaty perry is a killer queen and rebellion is on her mind defiance on her playful lips she takes the throne by storm33 katy doesnt play by the rules because rules are made to be brokenfeatures58bull at the top wild berry plum and bergamotbull at the heart jasminebull at the base patchouli and cashmerebull sophisticated yet playful this seductive and powerful