It is most appropriate for a niece to wear a dress when she gets married, which can be worn by women of all ages. It is one of the clothes that can't go wrong. A formal shirt can be worn by a man.

Matters needing attention in attending the wedding: 1. Don't wear too revealing clothes. 2. Wear formal clothes to attend the wedding to show respect for the couple. Don't wear shorts or sandals and slippers.