On wearing glitter: There's nothing wrong with adding a pop of gold, silver, or green glitter to your makeup palette, but to keep it looking gorgeous, not gaudy, avoid eye shadow formulas. "Only use glitter as eyeliner," Oresman says. "What you do is touch it over black liner so that you have the same beauty basic, but with an accent. It should never be your focal point."
On wearing metallic shadow: If you have an iridescent eye shadow that you love, use it as a highlight instead of on the entire lid. "Dab eye shadow right where the eyeball is, so you can frame it with one touch," Oresman explains. "It's all about a whisper — anything more than that gets costumey."
Pictured: Chanel Illusion d’Ombre in Apparence ($48), Models Own Loose Sparkle Eye Shadow Collection (approx $8.50)