Covid-19 hasn’t gone away and, due to travel restrictions, neither has Louis Theroux. In the second outing of his podcast series, he tracks down more high-profile guests he’s been longing to talk to - a fascinating mix of the celebrated, the controversial and the mysterious. In the second episode of the new series, singer-songwriter Sia talks to Louis Theroux about being catapulted to superstardom, the Aussie drinking holes of West London and her lockdown addiction to reality TV. Plus Louis gets the chance to sing Sia some of her most famous songs… Produced by Sara Jane Hall and Catherine Murnane A Mindhouse production for BBC Radio 4