Please refer to Tadashi Shoji Sizing Chart
This is something that most dresses lack, a deep pocket
Before that, although brides did wear white when they could afford it, even the wealthiest and most royal among them also wore gold, or blue, or, if they were not rich or royal, whatever color their best dress happened to be ( A Natural History of the Wedding Dress )
If your outfit is elegant, well-fitted, and made of high-quality fabric without casual elements, it is likely appropriate for a formal wedding.
Short flutter sleeves add coverage without feeling heavy
At last Septembers Met Gala, Kardashian walked the red carpet in a head-to-toe black Balenciaga custom outfit complete with a face covering alongside the designer