Hair How-To: Nicole Kidman's Sleek Bob
3. In order to achieve flawless straight hair, control is a must. David sectioned her hair first: top, sides and back before drying the nape area first and then proceeded until her entire head was dry.4. After creating a center part and to ensure sleek perfection, he finished the hair with IT&LY's Racing Red Professional 1" Digital Iron to get Kidman's super-sleek strands.