formal dresses for prom A Line Sweetheart Royal Blue Keyhole Long Dress Blue / 16 a breathtaking A Strapless Sweetheart Long Prom Dress

Wear your midi dress on its own, styled with fall sneakers, chunky loafers, and ballet flats, or pair it with tights and Charli XCX-approved knee-high boots as the temperature drops

There are unlimited options to go for, but avoid over-formal shoes or anything too sporty or casual (sneakers, flip-flops)

The off-shoulder neckline with an A-line floor-length silhouette is also one of the most reliably flattering shapes you can choose

The Ken-approved outfit includes a high-cut leotard printed with a colorful, abstract pattern

Old Navys new The Occasion collection has just the thing for recreating this memorable wedding guest dress