light blue strapless mini dress Sultry Intentions Ruffled Hidden zipper/clasp at back Strapless Mini Dress

"It offers all-day support, and the greatest aspect is that it lifts your natural breast tissue to the height, as though you are wearing a bra, stops movement and creates the shape you want." Now keep scrolling for Eloise's recommendations, plus the best-selling bras for backless dresses from Net-a-Porter, Figleaves, Marks and Spencer and Amazon

Even better: Some couples will link a The Knot attire guide and other helpful articles below their dress code description, so you can have a deep dive at your fingertips (including curated outfit recs that are all an easy win)

1 All Marines are required to have the uniform

Picturing Imperial Power: Colonial Subjects in Eighteenth-Century British Painting

M: Length 55.5 in - Width 15.0 in