As an answer they will look amazingly unique. Taking pictures in the dark these days are not as hard as it used to be in the past, Now we can use portable lights and better cameras. Not a lot of people decide to do their wedding pictures at night, But sometimes everything start to delay and you find yourself having your pictures done in the night. So if that happens don`t worry because most professional photographers know how to take advantage of the dark.
personally i find dark pictures with little light are more catchy than a regular morning sun light shoots. Even when it comes to engagement shoots, I try to encourage my clients to do their engagement shoots at night so it will look unique.
Here are some of the most amazing shoots i toke in the dark.