Dianna Agron Long, Curly, Romantic, Half Updo || 1. First, use a teasing comb to tease the top of your hair for some extra volume. 2. Then pull back the top layer of your hair into a half updo, and secure it with a clip or barrette. 3. Curl the bottom half of your hair with a 1-inch curling iron. Be sure not to separate the curls, just mist them with strong-hold hairspray to keep them in place.