Sienna shows off her new fringe

Sienna Miller joined forces with her old pal fashion designer Matthew Williamson last night for a party to celebrate the opening of his new store. Dressed in a draped burnt gold dress, Sienna happily posed for photographers giving us a chance to get a good look at the new fringe which we had a sneak peek at over the weekend.

Sienna has been a popular hair icon since she first debuted her trademark boho look several years ago. Opting for a loose ponytail and simple slick of tomato red lipstick, this breezy laidback look is typical of Sienna's style. Allowing her stunning dress to do the talking, Sienna proves that hair doesn't have to be primped and preened to perfection to look red carpet ready, although that pristine champagne shade of blonde certainly helps the boho-luxe look...