In 'Closer', Natalie Portman's lap dance is a dance of seduction and power. She moves with a serpentine grace, her body a symphony of curves and lines, as she straddles her target. Her hands, with their perfectly manicured nails, trace patterns on his chest, sending shivers down his spine. She leans in, her breath whispering across his ear, and then, with a defiant, smoldering look, captures his mouth in a hungry, demanding kiss. The room is thick with the aroma of her musk and the heady perfume of her desire.