For a normal western wedding ceremony , except for the beautiful wedding dress for the nice bride , the suitable bridesmaid dresses and flower girl gowns are essential . Usually , in a formal and modern wedding ceremony , there are three to four bridesmaids , who will help the brides to complete the wedding ceremony more perfectly . Even though the bridesmaid dresses never cover the wedding dress' glamor , new couples should choose them carefully . Beautiful bridesmaids can add scores for your wedding ceremony largely . Generally speaking , the style of the several bridesmaid dresses is similar , also , they must match with the bridal dress' style and the theme of the wedding ceremony . In fact , some chic little gowns or formal evening dresses can be regarded as the bridesmaid gowns .