Don't Let These 10 Worst-Case Scenarios Ruin Your Wedding

Pro tip: "To prevent it, you just really have to tell people. For my wedding I didn't personally call everybody, but it was through the grapevine. I told some of my friends that if the person isn't on the invitation, then they don't have a plus-one.

"If it happens on the day of, honestly, it's one of those things that really works itself out. If you leave everyone to their own devices, they will sit down, they will have a seat, and they will have a dinner."