3 Sleeveless Sequined Two-Piece Mermaid Prom Dress by PromGirl, $89 Not that you need an excuse to wear sequins, but prom’s the perfect reason. 4 B Darlin Juniors’ 2-Pc. Lace-Back Gown at Macy ...

Ahead you’ll find 18 dresses that are guaranteed to feel fresh AF at prom this year, along with tips from fashion experts on how to style them. And, let me repeat, they’re all under $100.