Remember a big brim will shield your eyes in photos , so choose something with an upturn at the front . • THE rule on removing your hat is to take it off only after the mother of the bride has removed hers . • USE a lot of hairspray , which will help to allow the hair to bounce back once you have removed your hat . • A SMALL cocktail hat or fascinator can be worn all day and evening . • THIS is an occasion to wear a hat with a brim or a veil as it gives you the opportunity to hide your face if your emotions get too much . • THIS is a place where you can be totally extravagant and wear whatever you like .