December 11, 2010 - Jason Merritt/Getty Images North America more pics like this »
Jessica Lowndes

If your dress has a daring back like Jessica Lowndes' does, put your hair in a classic bun to show it off. To find the perfect height of the bun, follow your cheekbone angle to the back of your head. That's where your bun should be. Sometimes the best things comes in the simplest packages!