Beyond the sequins, feathers and gold hotpants, the stories of the most enduring pop megastars tend to be ones of jaw-dropping grit and undimmable power. Especially when they’re women. So it is with Kylie: pint-sized seller of over 80m records, singer of two of the greatest pop bangers of all time (Can’t Get You Out of My Head and Padam Padam, obviously), and the reticent subject of this increasingly intimate and, finally, profoundly moving three-part Netflix documentary.