strapless black dress midi Whistles Bandeau Size 6 A classic black midi dress with a flattering A Lilly Cotton Strapless Midi Dress

The streamlined silhouette, classic collar, and smooth finish create a polished appearance that's easy to dress up with tailoring or wear smart casual with chinos and jeans

Next Up: Sorry Trousers, I Want to Wear One of These 9 Dresses Instead Natalie Munro is Who What Wear UKs news writer and has worked in the fashion industry since she graduated with a degree in Journalism from the University of the Arts London

Princess Margaret 21st birthday dress After their first meeting in the spring of 1949, Dior designed a dress for Princess Margarets 21st birthday

By the 1990s , business casual spread beyond tech into corporate offices, redefining professional dress

For your groomsmen, consider giving them an accessory item as a gift, instead of it being an expense out of their pocket