OK, unless you live under a rock (in which case, our allergy-ridden selves would like an invite ASAP), you?ve probably already noticed that 2017 is the year of long bobs?better known as the lob. Every single day, our Insta feeds are swarmed with photos of celebs like Bella Hadid and Selena Gomez chopping off their hair into outrageously sleek, c...