what is a black tie dress code: exactly you should (and shouldn't) wear Black Tie vs. Formal Attire:
Description
For brides on the search for a more form-fitting look, that also gives you freedom to move your body on the dance floor, a fit and flare spaghetti strap wedding dress is the ideal option

relaxed, body-skimming silhouette

Best of all, gray pants with black shoes flatter different body types
EU Size

In fact, all colors are warmly welcomed in black tie weddings as guests