Back when it was much more expected that black shoes be worn in town and/or in smart settings, formal city suits in brown were also popular
Whether worn as an undergarment or integrated into the design of a dress, corsets help achieve a refined, structured look that complements formal gowns and dresses
It also helps that brown shoes hide the dirt, managing to look good despite being worn all day
A full length gown, heels, jewelry, and a clutch are the foundation, and "while white elbow length gloves are a nice touch, they are no longer really required." Gentlemen: For men, white tie should consist of an evening tailcoat with peaked lapels, a white bow tie, a stiff white shirt evening shirt with cufflinks and mother of pearl studs in place of buttons