Don't end up in debt at the start of married life. The Engagement ring. The Bridegrooms outfit Church and Registry fees. Gifts for the Bridesmaids Brides' the Attendants flowers. This said, Modern weddings regularly break from tradition and costs are often shared between both families.
Many couples also contribute to the cost of the big day.
However your wedding is to be paid for, always treat this sensitive issue with the respect it is due.