G: TL;DR: Wear something comfortable, expressive, and easy to move in. You’ll have more fun if you can dance, shout, and breathe—so if the corset stays, balance it with flexible layers and practical shoes.

1. Core Advice

For a first Rocky Horror screening, the best approach is participatory comfort. Think of it as equal parts costume party and rock concert. You’ll want to blend in with the energy without locking yourself into something that limits you physically or socially.

If wearing a corset: Choose one you can breathe and laugh in. The night involves yelling, dancing, possibly standing for long stretches, and laughing hard. Loosen the lacing a notch or two compared to a purely aesthetic fit.
If not sure yet: Bring the corset with you. Many venues have changing areas or friendly restrooms where fans adjust or swap layers after seeing what others are wearing.

2. Safe Starter Outfits

Rocky Horror veterans respect creativity and self-preservation. Here are reliable first-time options:

“Stylish civilian” look: Fishnets, boots, and a black top (corset optional). Works everywhere, recognizable vibe, and you can still sit or dance comfortably.
“Light homage” look: Corset over a tee, short skirt or slacks, bold lipstick. A nod to Columbia, Magenta, or Janet without full cosplay.
“Experimental glam” look: Shiny, sparkly, or slightly absurd. Think leather, lace, or metallic accessories. The goal isn’t accuracy—it’s attitude.

3. Avoidable Pitfalls

Don’t wear irreplaceable clothes. There’s often toast, rice, or water guns.
Don’t rely on heels if you’ll stand for hours.
Don’t assume quiet cinema etiquette applies. This is an interactive event; volume and movement are part of it.

4. Emotional Framing

The Rocky Horror Picture Show isn’t a test—it’s an invitation. Veterans love first-timers who show up with genuine enthusiasm. Wear something that says you’re in on the fun but still lets you enjoy the chaos.

If you want a single rule to remember: dress for self-expression, not perfection.