However, as much as dressing is flexible, you should not wear casual or revealing outfits
Yes, its a slip dress but with a slouchy fit, straight neckline, and tubular silhouette
A dark custom suit may cover black tie optional, but it does not replace a tuxedo at a true black tie event
Ive talked about UNIQLO HEATTECHS many times in the past, and I still swear by them
Black Tie Attire for Women Formal (floor length) evening gown Dressy cocktail dress Your dressiest little black dress Black Tie Attire for Men Black tuxedo jacket and matching trousers Formal (piqu or pleated front) white shirt Shirt studs and cuff links Black bow tie (silk, satin, or twill) Black cummerbund to match tie, or a vest Dressy braces to ensure a good fit (optional) No gloves Black patent shoes and black dress socks In summer, in the tropics, or on a cruise: White dinner jacket, black tuxedo trousers plus other black tie wardrobe Black Tie Etiquette It's important to treat black tie events with a certain amount of formality, consideration, and respect