Attire: White Tie Attire: For the most luxurious weddings, think black tailcoat and trousers for men, along with a white shirt, bowtie, and waistcoat. Ladies, go for full-length formal gowns and elegant accessories. This is the highest level of formality. Business Formal Attire with Suits: A step down in formality, men can choose a dark suit with a white shirt and a conservative tie. Women can wear tailored suits or dark formal dresses. This is a polished, professional look suitable for many wedding settings.