velvet green dress zara JEWEL BUTTONED DUCK | 9280/864 XS, S : NWT PARTY FEST Zara Emerald Velvet Midi Dress

Bonus: Carry a feathered fan for extra mystery

Main: 55% polyester 43% rayon 2% elastane, Lining: 95% polyester 5% elastane

Unrivaled Comfort: Experience all-day comfort and flexibility thanks to the premium leather construction and neo-lite sole

(Photo by Andrew Harnik/Getty Images)Andrew Harnik, Getty ImagesWASHINGTON, DC - JANUARY 20: President Donald Trump dances with a service member while 2nd Lady Usha Vance and Vice President JD Vance dance with service members at the Commander and Chief Ball on January 20, 2025 in Washington, DC

While slip gowns are known for their understated elegance, they can easily be styled for formal celebrations