The fashion was always big dresses and tuxedos
it was worn because the tradition was Irish
Green
Clothing or Irish warriors during this period did not differ from their everyday clothing. Unlike other people during this time, they did not wear body armour. Some of the Irish warriors appeared to be naked or in various stages of undress while fighting.
Yes, uniforms are worn in many Irish schools.
Hats are worn all the time as fashion accesories, however they are most often worn in winter and in colder regions.
Modern fashion describes the latest styles and colors worn by fashion models today. They represent the latest in what is popular.
Kimonos are traditional Japanese garments typically worn for special occasions and formal events such as weddings, tea ceremonies, festivals, and traditional ceremonies. They can also be seen on formal occasions in Japan or as a fashion statement at certain events.
its a great fashion accessory
Its called a Fáinne.
I like the one she worn on the Late Show With David Letterman (see related link).
because Irish thought green is lucky
Headgear is worn either for protection or for fashion, sometimes both.