Katy Perry has allegedly imposed a pre-wedding sex ban on her fiancé Russell Brand.The 'Firework' singer is said to have slapped the restriction on her former sex addict partner in order to make the couple's first night as man and wife particularly meaningful.A source told the Sunday Mirror: "Katy wants everything to be special for their wedding, including the first night. The sex ban was definitely her idea."Russell has reluctantly agreed, and they are sure it will be worth it after they have tied the knot."The couple are reportedly heading to India later this month to wed in a traditional Hindu ceremony.
