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Either way, the crucial thing is to choose a dress that guarantees comfort as well as style, one that will see you through from ceremony to best mans speech and propping up the dancefloor for many hours after

Photo of Mary Tyler Moore CIRCA 1970: Photo of Mary Tyler Moore Photo by Michael Ochs Archives/Getty Images MARY TYLER MOORE SHOW, Mary Tyler Moore, 1970-77 MARY TYLER MOORE SHOW, Mary Tyler Moore, 1970-77 National Leisure Inc

Keep scrolling for our expert and editor-approved guide to the best fancy dinner outfits

A pair in Space Black makes a sophisticated foundation for whatever shirt and jacket combo you wear for the evening

Leash Compatibility: Comes with a strong nylon-reinforced D-ring and a matching leash, transforming this dress into a functional harness for walks

Boho Spaghetti Strap Long Maxi Dress This long maxi dress is very flattering and can be worn both during the day and in the evening