Lana Del Rey duets with Billie Eilish during Coachella headline performance

Lana Del Rey performed a surprise duet with Billie Eilish during her star-studded headline performance at Coachella. The US singer arrived early on stage, after hitting the headlines last year for delayed performances at Glastonbury and BST Hyde Park festival, before singing a host of hits including Summertime Sadness and her 2012 hit Born To Die.