prom dresses long purple Ellie Wilde EW36083 A Line Lace Formal Dress up backs and strappy open Elegant Long Purple Off-the-Shoulder Sleeveless

High necklines are also timeless

Slim fit and flare: Princess-cut seams create a flattering silhouette

This bodycon dress features a corset-style bust with boning for a flattering silhouette

What to avoid: anything that skims the ankle without proper structure (this reads too casual), anything that brushes the floor without being explicitly formal eveningwear, and anything shorter than mid-thigh, which will read as underdressed regardless of the fabric

Shop The French Cuff Having at least one white French Cuff shirt in your wardrobe is a great way to be prepared for special events and galas

Polished Patterns Between bright stripes and playful polka dots, a pattern is a great way to breathe a little life into a stuffy dress code