Well, surely the purpose of a sexy wedding dress is to show other men what they’re missing. The bride is either going to have sex with her husband after the wedding, or (given today’s mores) already has and doesn’t need to make an effort to appeal to him.
Maybe by the time they get around to getting married, she’s ready to move on, and the dress is advertising.
Wedding dresses have mostly been strapless since around 1998. My MIL said they look like bath towels. My wife wore a very becoming gown with long lace sleeves & it covered her shoulders. This was back in 1983.
Strapless gowns only look really good on a few gals, let’s face it. For years I have called them Second Amendment brides since they obviously believe in the right to bare arms.
MIL also asked, why is the bride showing off that which only her husband is supposed to see?