Is it okay to wear a black dress to a wedding?
I would say no, since everything is going to be completely black. However, you can wear a black dress if your accessories have colour such as your purse, belt, scarve, etc. A completly black attire for a wedding will give the wrong impression such as that you don’t want to be there and mourning the day as you would a funeral. Wearing all completely black gives the impression that although you are physically there, you are opting to not celebrate the festive occassion. It would be fine if there was some colour. I don’t know if the belt is built onto the dress, if not try a different colour.