You're immensely lucky if you've ever seen your favourite artist in concert. Maybe it was Queen at Live Aid, a hometown 'Phonics or Manics show, or an underground gig by some unknown singer-songwriter who you're secretly glad nobody else has heard of.
With a concert that special you might wish you could bottle it up and relive it over and over and over again. For some Harry Styles fans that's become a reality as they've spent years of their life travelling the globe to see the superstar.
Australian friends Sarah Russell, Nicola Tracey, and Fauve Walker-Damarell have all seen the former One Direction member at least 20 times – with one of them clocking in a whopping 45 shows. Speaking to our reporter in Cardiff on a warm Tuesday afternoon, the trio had already been in the queue for a day – more than 24 hours before the singer performs the first of two dates in the capital.