How to get it: While Alexa Chung and Leigh Lezark tripped their way to the front row, in the tiny backstage area the hair accessory of summer 2010 has been defined by session stylist Guido Palau. The bow is big, bright and shiny. Guido first added volume with Redken Thickening Lotion, then bound the girls' hair into a tight ponytail on top of the head and pulled it into a rough, messy bun. "The Luella girl is feminine, cute and with edge," said Guido.