Bridesmaid duties primarily involve supporting the bride throughout the wedding planning process and on the wedding day. This includes helping with tasks like addressing invitations, organizing bridal showers, and attending dress fittings. Bridesmaids also provide emotional support, ensuring the bride feels relaxed and confident. On the wedding day, bridesmaids assist the bride in getting ready, help manage the schedule, and ensure everything runs smoothly. They participate in the ceremony, stand by the bride's side, and may also help with tasks like holding the bouquet or managing the train of the dress. Overall, their role is to make the day special for the bride.