Wedding planning requires a lot of… well, planning. From coordinating clothes the couple is going to wear and overall dress code to the place where it’s gonna happen, activities, food, guest list… You get the gist: a lot of things need to be coordinated very carefully.
And so, it can be very frustrating for the couple if someone intervenes with their plans by, for example, bringing their own guests. Yes, such a situation does indeed happen. And in the case of this story, the random guests were brought by the person you least expect.