I did pack an "emergency" kit for both my fiancé and I…but neither included static cling remover.
One of my 'maids did mention hearing that aerosol hairspray works to stop the cling…so I pulled a travel size one out of my kit and my now Mother In Law went to town spraying my veil.
It did seem to work for a little bit, but I don't know if it was a combination of the air conditioner against my taffeta dress, or what - but it still remained clingy. Needless to say, it needed to be sprayed several times…and be adjusted through the day. Here I am adjusting it for the seemingly millionth time ;)
It didn't "ruin" the day by any stretch of the imagination…but it was slightly annoying. So Brides To Be - don't forget your static cling remover!