From Nineties icons to modern fashion muses, the layered haircut has long been hailed as the quintessential 'cool girl' style. Whether it's adorning the heads of models in a tousled, undone à la Alexa ...

Think layered hair and images of Jennifer Aniston’s Friends character Rachel come to mind. Thanks to this phenomenon, patently choppy and decidedly bouncy locks were de rigueur for manes throughout ...