black holiday dress woman City Lights Sequin Dress, Small - The Mint Julep Boutique You are going to shine like the city lights in this fabulous party dress Gorgeous Black Prom Dress Off-the-Shoulder

If its a daytime event, you can go with more playful, colorful pieces

Experience unmatched comfort on the court with the Nike Court Dri-FIT Victory Dress in Black/White

In a 2019 "Life in Looks" video with Vogue, Cher revealed that her 1986 Oscars outfit was one of her all-time favorites

Roman Rewards Dusk Pintuck Detail Denim Shirt Dress Dusk Pintuck Detail Denim Shirt Dress Now 32.00 (-20%) Was 40.00 Free Express1 - 2 days Next DayArrives Tomorrow, 24 July Pintucked at the top leading to a feminine pleated skirt, this new Dusk dress is so unique

Higher waisted jeans would increase that elegance, yes, though personally I dont like them higher than this they look too unusual/period when not worn with something over the top, as with jackets and trousers in the same way