4. The Curling Iron — Fancy fetes call for even fancier 'dos, meaning it's time to bust out that curling iron. A large-barreled iron will help you create everything from retro-glam waves to a chicly curled faux bob to top off your party frock in style.

Sedu Revolution Clipless Curling Iron, $119.99, available at Amazon; Gold 'N Hot Titanium Spring Curling Iron, $39.99, available at Folica.