I think many people no longer see weddings as the special, life-long beginning of an incredible journey and partnership of love and commitment. And in all honesty, it is reflected in the way we carry ourselves and in our clothing. unless otherwise specified, weddings are a special dress occasion. even if they are on a beach there is an expectation that effort is placed. and i am not against jeans and clean cut shirts. as long as that person has made an effort itms.
i reckon that if you are going to someone's wedding to share and support their moment of public declaration of love...then i would take that as a great opportunity to show that support not only by rocking up, but by frocking up.
we had some family memebers turn up in thongs and shorts and baseball caps. to me, this just looked as though they got dressed on their way to do some sightseeing and stopped by to say g'day. and it kinda made me feel as i though i wasnt worth the effort itms. and i am by no means a shallow kinda person, but ffs, a wedding is a really special day, and generally not something you do often (elizabeth taylor excepted lol) so for a family member especially to turn up wearing their normal garb without any thought to the setting or the ceremony lacks care.
but these are just my two cents :D

