You can choose a song suitable for the bride to sing to express your love for the groom, but generally single brides rarely sing it. There are actually many brides who can't sing. You don't have to sing with the real thing, you can lip-synch. Most of our weddings are like this.

Or both sides sing together, but generally speaking, this is mainly for newcomers who both sing well or like singing, which will be very romantic.

In fact, you don't have to sing at the wedding. You can set some other plots, but you can also use background music. As for the plot, you need your own creativity and imagination.

If you want to play singing, I suggest you lip-synch and let the groom lip-synch.