Katy Perry performs on day 3 of the Glastonbury Festival 2017 at Worthy Farm, Pilton on June 24, 2017 in Glastonbury, England. Picture: Ian Gavan/Getty Images

Ed Sheeran headlines on the Pyramid Stage during day 4 of the Glastonbury Festival 2017 at Worthy Farm, Pilton on June 25, 2017 in Glastonbury, England. Picture: Ian Gavan/Getty Images

Lorde performs on day 2 of the Glastonbury Festival 2017 at Worthy Farm, Pilton on June 23, 2017 in Glastonbury, England. Picture: Ian Gavan/Getty Images

Johnny Depp watches Run the Jewels on the Pyramid Stage. Picture: Splash News

Actor Kit Harington, who plays Jon Snow in Game of Thrones, is seen at Glastonbury Festival Site on June 25, 2017 in Glastonbury, England. Picture: Chris J Ratcliffe/Getty Images

Model Cara Delevingne and Margot Robbie hang out at Glastonbury 2017. Picture: Getty Images

Margot Robbie attends day two of Glastonbury on June 24, 2017 in Glastonbury, England. Picture: David M Benett/Getty Images

Singer Katy Perry performs at the Glastonbury Festival at Worthy Farm, in Somerset, England, Saturday, June 24, 2017. Picture: Grant Pollard/Invision/AP

Singer Dave Grohl performs with the group ‘Foo Fighters’ at the Glastonbury Festival at Worthy Farm, in Somerset, England, Saturday, June 24, 2017. Picture: Grant Pollard/Invision/AP

Crowds watch the Foo Fighters performance at the Glastonbury Festival site at Worthy Farm in Pilton on June 24, 2017 near Glastonbury, England. Picture: Matt Cardy/Getty Images

People watch Barry Gibb perform on the main Pyramid Stage at the Glastonbury Festival site at Worthy Farm in Pilton on June 25, 2017 near Glastonbury, England. Picture: Matt Cardy/Getty Images

Actor Alfie Allen, with girlfriend Allie Teilz are seen at Glastonbury Festival Site on June 25, 2017 in Glastonbury, England. As Glastonbury Festival 2017 comes to its final day many revellers find themselves struggling after a long weekend of partying. Picture: Chris J Ratcliffe/Getty Images

Margot Robbie (right) with friends at Glastonbury. Source: Instagram

Former footballer David Beckham (L) watches The Foo Fighters perform on the Pyramid Stageduring the Glastonbury FestivaPicture: AFP PHOTO / OLI SCARFF

Actor Richard Madden, who plays Robb Stark in Game of Thrones, is seen at Glastonbury Festival Site on June 25, 2017 in Glastonbury, England. Picture: Chris J Ratcliffe/Getty Images

US actor Bradley Cooper plays a guitar as he is filmed for a re-make of the film ‘A Star Is Born’, on the Pyramid Stage at the Glastonbury Festival. Picture: AFP PHOTO / Oli SCARFF

The crowd enjoys the atmosphere as Ed Sheeran headlines on the Pyramid Stage during day 4 of the Glastonbury Festival 2017 at Worthy Farm, Pilton on June 25, 2017 in Glastonbury, England. Picture: Ian Gavan/Getty Images

Pulp lead singer Jarvis Cocker plays a DJ set at Glastonbury Festival Site on June 25, 2017 in Glastonbury, England. Picture: Chris J Ratcliffe/Getty Images