Naomi Watts recently set off a mini-furor with her new blunt haircut. And if the looks on the runway are to be believed, they'll be one of the big hair trends for the upcoming season. But going blunt can be scary — especially if you have traumatic memories of grungy, stringy styles from the early '90s. So how can you wear the trend and look both pretty and modern? We pulled five of the most flattering interpretations of the look, using the runway for inspiration.