black and silver sequin dress Strapless Sparkly Long Formal Prom Evening EN5613 Size 14 / Black making this dress perfect for making a grand entrance Ashley Lauren 11236 Black/Silver Sequin

And brown shoes go fine with brown trousers because while the color is similar, the difference in materials between trousers and shoes is enough to visually differentiate the two (unless someone is wearing leather pants, but Ill assume that excludes most Permanent Style readers.) I would personally favour an oxblood (close to Horween colour 8) or navy pair, also I think most suedes would work in any colour for a more casual look, with black suede registering less formal than black calf etc

Its so cute

On the right is a sketch by Prabal Gurung who somehow almost hit it right on the head

Yes, a mens black dress shirt can be appropriate for a wedding, especially for evening events