Call us social media obsessed, but the moment we realise we're gaining followers on Instagram, we get a bit giddy. We feel stylish, witty, and, most simply put, cool — until, of course, we head over to Gigi Hadid's page. Just this year alone, the model gained a whopping 16 million followers, leading the pack in terms of popular fashion-related accounts. What other industry favourites had people eager to get a glimpse into their lives? Read on to find out whose numbers soared in 2016.