Sparkle is fun, but you don't want to tip into Cirque du Soleil territory. Choose just one feature to gleam up, and follow this guide: Glitter (those big, shiny flecks) belongs on the eyes; iridescence (a sheen that changes shade in the light) on the cheekbones; and shimmer (itty bitty light-reflective particles) on the eyes or lips.
Try: Make Up For Ever Diamond Powder #4, $25; sephora.com
It's holiday party season, so bling it on with the most gorgeous -- and flattering -- shimmery makeup. Read on for pro tips on how to wear it without overglowing. By Eleanor Langston, REDBOOK.