sparkly party dress Olivia Black Metallic Sequin Dress, L 37 CARE Hand Wash Cold Glitter Sleeveless Splitfront Evening Party

A fit-and-flare creates a softer, more romantic outline, while a mermaid gown emphasizes curves with a more dramatic effect

Denim on Denim Going with a full Canadian tuxedo isn't a '70s invention, necessarily, but it was a fun alternative to a jumpsuit (also on this list!)

Lounge Suits Although officially considered to be the smartest informal dress code as it is something worn day-to-day and not event-specific, a nice lounge suit still feels like a formal way to dress for the majority of men today

She'll feel light, feminine, and like the most effortlessly beautiful person in the room in a soft polyester print with a back keyhole, smocked bodice, and a fully lined midi silhouette with hidden pockets

I prefer a twin needle finish, but you can finish with a narrow zig-zag if you like