Personally, this one:
-The newlyweds had theoretically been together for 5 years but saw each other so little that they were almost strangers to each other.
-The bridegroom discovered only belatedly that the one he was going to marry was a spoiled child submissive to her mother.
-The groom wanted children and the bride said she would think about it, but still hadn't made up her mind on the wedding day.
-Everyone was originally supposed to sleep at a friend's house, who suddenly put the dishes in the big ones, but the mother of the bride decided on a whim that no, her daughter would not sleep in said house, although obviously without notifying the owners.
-3 people (the bride, her mother and a guest) ended up spending the night in the village hall. The mother slept glued to her daughter and the guest had to stay awake all night for lack of a place to lie down.
-During the feast, the guests were of different origins and gathered in homogeneous ethnic groups who stared at one another.
-The DJ only played Senegalese music, which obviously only appealed to guests of Senegalese origin.
-The mother of the bride has a disconcertingly fragile ego, preferring to refuse to answer a question rather than admit that she does not know.
My godmother's oldest daughter had a very specific idea of what her wedding needed to be, and what it needed to cost (obviously, a lot). But she was also cheap. So I go for the tux fitting because she decided I'm going to be in the groom's wedding party. The tux felt like it was made of cardboard, the pink pocket square and tie looked like a pretty pink that had been sun faded and looked TERRIBLE. The shoes were ugly and uncomfortable. His kids are also part of both wedding parties. His kids were little monsters, and she decided that the wedding parties were going to do a choreographed number courtesy of his oldest daughter.
If you want dancers, pay for dancers. Instead, she lost her shit because we "didn't put enough effort in" to the half-assed, last minute dance. The food was meh, the ceremony was far too long and stodgy, and the bride and groom didn't spend any time with anyone (thank god). They were divorced within two years. It went about as I expected.
On the other hand, my stepsister's wedding was held outdoors in the summer heat. They had a gorgeous, 15 minute ceremony done by one of their friends who was witty and funny. After that, we all went inside out of the heat into the air conditioned hall and everyone hung out and had a great time. The couple mingled with everyone despite being very in demand. None of it looked expensive, but was all tasteful. The food was good and the DJ was awesome. They are, unfortunately, also divorced, but lasted much longer because they knew what they wanted, didn't have pretense, and knew each other well.