The Bad Guy singer suffered a tumble after tripping on some fire safety equipment.
The Blur frontman sparked controversy last year when he praised Billie while seemingly questioning Taylor Swift's songwriting abilities.
"In the car with my mother as a child, this lady taught me to sing. She also taught me that men are trash.”
Billie Eilish stopped her show to help a fan with an inhaler, and made a comment that Kanye West took as a dig at Travis Scott.
The US music festival – and its country counterpart, Stagecoach – will not be going ahead in 2021.
From the Baftas to Bond, dramas to daytime, coronavirus is having a devastating effect on the entertainment industry.
The popular Californian music festival was due to take place in April.
"When are we gonna be the kind of people that find joy in adding value to one another and not tearing each other apart...?"