Davis Bourgeois Pepke wore a backless dress to her nontraditional wedding. She plans to shorten the gown and wear it again.

DJ asked for the “real bride” to stand up after the letter writer’s mother-in-law and sister-in-law wore white gowns to her wedding.

The British label’s flair for flattering the female form has made it a popular choice for brides. On Thursday, it staged a ...