Half-Moon Curls. Photos: Edita Vilkeviciute/Onhowtobelovely.com; Charlotte Ronson Fall 2011 Model; Gold 'N Hot Curling Iron; Couture Colour Pequi Oil Treatment; Sandra Bullock/Lester Cohen/WireImage; Ciara/AP Photo/Peter Kramer. As Sandra Bullock's beauty team prepared her for the Los Angeles premiere of "
The Change-Up," her hairstylist decided to take a risk. Instead of turning his curling iron completely around her brunette ...