Thanks for the responses
Unfortunately, I have very fine, soft hair that -- at the age of 60 -- is not thick enough to support the short, full hairstyle that I would love to have for the wedding.
I'm going to research whether there are any good wig shops around that I could go to to try on wigs.
Maybe I'll get lucky
Here is the wig that I absolutely love -- I love the style and the color:
www.paulayoung.com Product Super Image pop-up