Now that Cannes Film Festival is behind us, our Pinterest boards are brimming with some serious hair inspo. But out of everything that the last seven days have served up, one particular 'do has caught our eye: the half-up, half-down twizzles. OK, it doesn’t have a catchy name, but what it can’t offer in hashtags it can in the style stakes. Most importantly, this casj-to-red-carpet hair doesn’t require long locks. Scroll on to see…