When nothing is left to experiment with, straight hair always come as a savior. Straight hairs have been popularly donned by exuberant beauties, who do not hesitate to shine out their simplicity in gallant manner. Be it Miss Universe 2002, Oxana Fedorova or glistening Filipino beauty, Ariella Arida, Miss Universe Philippines 2013, the beauties flaunt their shining long tresses in the ironed straight hairstyle. This year at Miss Universe 2015, Pia Wurtzbach also flaunted her straight mane during the swimsuit portrait.