With a bucketload of early hype and the fastest-selling debut album ever, Alex Turner and the Arctic Monkeys have been seriously famous pretty much from the moment they burst onto the scene.

But in most other respects, it's been quite a journey for young Al: from the urgent punk clatter of I Bet You Look Good On The Dancefloor to the heavy-hitting swagger and groove of fifth album AM, and from awkward teenage upstart in a tracksuit top to today's suited and booted rock god. But nowhere is the growth between 2005 and now more apparent than on Turner's head — a hair-volution we've helpfully charted for you below.