WHY IT WORKS Alexa Chung's look jives because it's so deconstructed. "I love the thickness of the braid and the way it's a little tousled," he says.
EXPERT TIP Part your hair deep and on the side, then braid a wide section across your hairline. "It's okay if it slips down onto your forehead," says Abergel. Secure with crisscrossed pins low on the back of the head, and gather the rest of your hair into a messy knot.