Don't look like a raccoon.
"Girls tend to overdo their eye makeup for special occasions," says Erica Whelan, who has worked with stars like Elizabeth Reaser of Twilight. "Many go overboard with the black eye shadow and end up looking like a raccoon by the end of the night!" Instead of loading on the shadow, apply black eyeliner—we’re partial to blinc’s waterproof formula—close to the top lash line for a classic look. Save the drama for your nails by layering on a sparkly top coat, like essie luxeffects.
Don't go too big with the hair.
"Exaggerated volume can really overwhelm your look," says Orlando Santiago, the go-to artist for models like Selita Ebank. “Instead, keep your hair chic, shiny, and sleek by smoothing on a dime-size amount of Kérastase’s Elixir Ultime.” If you’re planning on doing some serious dancing (which you should be!), stash cute hair ties like Twistband’s party-worthy metallic ones in your clutch so that you can pull your hair into a bun.
Don't get caught with an oily t-zone.
"There's nothing worse than being stuck with a bad prom photo, especially if you could have fixed the issue beforehand," says Kerri Urban, a celebrity makeup artist who’s worked with the likes of Lady Gaga and Mariah Carey. Prevent shine with a duo of grease-busting products. "Apply a thin layer of Peter Thomas Roth Anti-shine Mattifying Gel under your makeup and tuck a few sheets of Shiseido Pureness Blotting Papers into your purse."
Don't have a wardrobe malfunction.
"If you're wearing a sleeveless dress or one with a plunging neckline, secure it to your body with Hollywood Fashion Tape," says Urban. "This will help keep everything in place so that you can feel confident dancing the night away!"