long black dress with slit Charming Off-the-Shoulder Lace Mermaid Long Sleeves Prom Dresses Long Online this dress features elegant ruched detailing at the hip and a leg slit that adds a touch of sophisticated allure Zapaka Women Black Mermaid One

I would wear all the pieces in this collage (minus that one large rip on the thigh)

This combination works well for casual Fridays in a business casual office setting

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

Id prefer dark brown, white, or perhaps mid-grey I see