The simple straight look like supermodel Gisele Bundchen will never go out of style. Reminiscent of the classic 'Rachel' from Friends, when using your straighteners, it's vital you protect your locks from that heat with protecting sprays, oils and conditioners. Straightening your hair can sometimes leave it looking flat and lacklustre, so that volumising powder mentioned previous can help lift your do, especially around the front to frame your face...