"When in doubt, always err on the side of caution," an etiquette expert told Newsweek about wedding-guest costumes.

The items were to be cut up for Wilson's dress, but as she "felt so elegant" in them, she told Newsweek she couldn't destroy them.

"My brother is getting married soon, and his fiancée chose a very revealing wedding dress," the Reddit user wrote. "It’s low-cut, with a thigh-high slit and a sheer back." "I’m all for people ...