The right accessory is sometimes all you need to go from plain to pretty. This holiday season, large shiny hair ornaments bring back an old-world elegance. These pieces are a perfect way to dress up a work outfit for a party. Just keep in mind that if you wear a hair ornament, you should keep the rest of your look toned down. You don't want to outshine the holiday decorations.

Jeweled Headbands: Golden girl Nicole Kidman uplifted the humble headband this season by wearing one to the Oscars. These huge time-savers require no hairstyling at all. Bands of classic pearls, sparkly rhinestones or glittery jewels are just the thing for dressy cocktail parties. And simpler gold or silver bands can take you straight from the office to a night out on the town.

Elegant Barrettes: For trendsetters, barrettes are right up there with this season's sparkly gemstone brooches -- and they're just as easy to wear. Whatever your hair length, simply twist your hair, clasp the barrette and you're good to go. Clips with crystal snowflake or silver filigree designs or jeweled barrettes in geometric shapes can make even your business suit look feminine.