By now, flares, suede minis and knee-high boots have secured a cosy lil spot in your wardrobe – but if you're really going to slam dunk the 70s trend that's dominating the world of fashun right now, your hair needs to get in on the act too. Don't want to look like you've taken a bad trip in a time machine? Here are four girls going for a modern-day take on the 70s, one choppy bang at a time.