They will usually be discreet and leave the front rows for your friends and family. There is no compulsory dress code, either for the couple or their guests. Flowers can be arranged as you wish, within reason. Many couples leave some of their flowers as a sort of votive offering to decorate the church after the wedding a gesture that s always appreciated by the priest and his parishioners. A photographer will be allowed and usually video cameras, although sometimes the priest may wish to impose restrictions on when and where they may film.
Confetti policy varies from parish to parish too.
It s customary to give the priest an offering for his efforts, which will have included a fair amount of paperwork. How much is down to you and what you can afford. The groom or best man, or sometimes the bride s father will usually give the offering to the priest in an envelope after the service. All in all, a Catholic wedding will not hold too many surprises or strange customs, even for non-Catholics. It will be solemn enough to fit the importance of your big day, without excessive formality or stuffy pomposity.