$ 0 0 US singer Kelis performs on the Pyramid main stage at Glastonbury music festival, England, Saturday, June 28, 2014.US singer Lana del Rey gestures, during her performance, at Glastonbury music festival, England, Saturday, June 28, 2014. A festival goer looks at the sky as American pop star Kelis performs on the Pyramid stage at Worthy Farm in Somerset during the GlastonburyFestival June 28, 2014.A festival goer reacts as he watches American pop star Kelis perform on the Pyramid stage at Worthy Farm in Somerset during the GlastonburyFestival June 28, 2014.US rapper Angel Haze performs on the Pyramid main stage at Glastonbury music festival, England, Worthy Farm in Pilton, during Glastonbury music festival, England, Saturday, June 28, 2014.Festival goers watch a laser show and pyrotechnics at the Arcadia arena at Worthy Farm in Somerset, during the GlastonburyFestival June 28, 2014.Festival goers watch a laser show and pyrotechnics at the Arcadia arena in Worthy Farm in Somerset on the fourth day of the Glastonbury music festival, June 28, 2014.People wear neon body outlines as they walk through the site, on the second day of the GlastonburyFestival of Music and Performing Arts in Somerset, southwest England, on June 28, 2014.Edwin 'Win' Butler, lead singer of Arcade Fire, uses the camera from one of the photographers as he performs on the Pyramid main stage at Glastonbury music festival, England, Friday, June 27, 2014.A member of Canadian band Arcade Fire plays keyboards as the group headlines the Pyramid Stage on the first official day of the GlastonburyFestival of Music and Performing Arts on Worthy Farm in Somerset, south west England, on June 27, 2014. Este Haim of the US band Haim, performs on the Other Stage, on the first official day of the GlastonburyFestival of Music and Performing Arts in Somerset, southwest England, on June 27, 2014. British singer Paolo Nutini performs at Glastonbury music festival, England, Friday, June 27, 2014.Revellers carry a smiley face sign through the crowds as the sun sets on the first official day of the GlastonburyFestival of Music and Performing Arts in Somerset, southwest England, on June 27, 2014.Lily Allen performs on the Pyramid main stage at Glastonbury music festival, England, Friday, June 27, 2014.Este Haim, bass guitarist and vocals of U.S. band Haim, performs on the Other Stage at Worthy Farm in Somerset, during the GlastonburyFestival June 27, 2014.Anne Marie Nicholson performs with British band Rudimental at the Glastonbury music festival, England, Friday, June 27, 2014.Alana Haim of the US band Haim, performs on the Other Stage, on the first official day of the GlastonburyFestival of Music and Performing Arts in Somerset, southwest England, on June 27, 2014.Danielle Haim of the US band Haim, performs on the Other Stage, on the first official day of the GlastonburyFestival of Music and Performing Arts in Somerset, southwest England, on June 27, 2014.Russell Marsden, guitarist and singer from British band 'Band of Skulls, performs on the Other Stage, on the first official day of the GlastonburyFestival of Music and Performing Arts in Somerset, southwest England, on June 27, 2014.Emma Richardson, bass player with British band 'Band of Skulls, performs on the Other Stage, on the first official day of the GlastonburyFestival of Music and Performing Arts in Somerset, southwest England, on June 27, 2014.Matt Hayward, drummer in British rock group Band of Skulls, performs on the Other Stage at Worthy Farm in Somerset, during the GlastonburyFestival June 27, 2014. Emma Richardson, bass guitarist and vocals in British rock group Band of Skulls, performs on the Other Stage at Worthy Farm in Somerset, during the GlastonburyFestival June 27, 2014.Revellers run through a puddle as they pose for photographers, on the first official day of the GlastonburyFestival of Music and Performing Arts on Worthy Farm in Somerset, south west England, on June 27, 2014.Revellers wait for British rock group The Kaiser Chiefs to perform on the Other Stage, on the first official date of the GlastonburyFestival of Music and Performing Arts on Worthy Farm in Somerset, south west England, on June 27, 2014.British rock group The Kaiser Chiefs perform on the Other Stage, on the first official date of the GlastonburyFestival of Music and Performing Arts on Worthy Farm in Somerset, south west England, on June 27, 2014.Tom Meighan of Kasabian performs on the Pyramid stage at Worthy Farm in Somerset, during the GlastonburyFestival June 29, 2014.American country music star Dolly Parton performs on the Pyramid Stage at Worthy Farm in Somerset, during the GlastonburyFestival June 29, 2014.Black Keys frontman Dan Auerbach performs on the Pyramid stage at Worthy Farm in Somerset, during the GlastonburyFestival June 29, 2014. Yoko Ono and the Plastic Ono band perform on the main Pyramid stage at Glastonbury music festival, England, Sunday, June 29, 2014.Fans enjoy the music as US group The Black Keys performs on the Pyramid Stage on the final day of the GlastonburyFestival of Music and Performing Arts on Worthy Farm in Somerset, south west England, on June 29, 2014.Patrick Carney of US group The Black Keys performs on the Pyramid Stage on the final day of the GlastonburyFestival of Music and Performing Arts on Worthy Farm in Somerset, south west England, on June 29, 2014.British singer Ed Sheeran performs at Glastonbury music festival, England, Sunday, June 29, 2014.Fans enjoy the music as US singer Dolly Parton performs on the Pyramid Stage, on the final day of the GlastonburyFestival of Music and Performing Arts on Worthy Farm in Somerset, southwest England, on June 29, 2014.Fans enjoy the music as US singer Dolly Parton performs on the Pyramid Stage, on the final day of the GlastonburyFestival of Music and Performing Arts on Worthy Farm in Somerset, southwest England, on June 29, 2014.Richie Sambora of US rock group Bon Jovi joins US singer Dolly Parton (not pictured) on the Pyramid Stage, on the final day of the GlastonburyFestival of Music and Performing Arts on Worthy Farm in Somerset, southwest England, on June 29, 2014.Richie Sambora of US rock group Bon Jovi joins US singer Dolly Parton on the Pyramid Stage, on the final day of the GlastonburyFestival of Music and Performing Arts on Worthy Farm in Somerset, southwest England, on June 29, 2014.Festival goers watch American country music star Dolly Parton perform on the Pyramid Stage at Worthy Farm in Somerset, during the GlastonburyFestival June 29, 2014.A fan dressed as Dolly Parton awaits her performance on the main Pyramid stage at Glastonbury music festival, England, Sunday, June 29, 2014.Liliana Saumet of Colombian dance group Bomba Est?reo performs on the Sonic Stage, on the last day of the GlastonburyFestival of Music and Performing Arts in Somerset, southwest England, on June 29, 2014.Matthew Healy, lead singer of the 1975, performs on the main Pyramid stage at Glastonbury music festival, England, Sunday, June 29, 2014.Girls in the crowd watch the main Pyramid stage at Glastonbury music festival, England, Sunday, June 29, 2014.Members of the English National Ballet perform 'Dust', choreographed by Akram Khan, from 'Lest We Forget' on the Pyramid Stage, on the last day of the GlastonburyFestival of Music and Performing Arts in Somerset, southwest England, on June 29, 2014. British singer Robert Plant performs on the Pyramid Stage, on the second day of the GlastonburyFestival of Music and Performing Arts in Somerset, southwest England, on June 28, 2014.A girl waits for the first act to take to the Pyramid Stage on the last day of the GlastonburyFestival of Music and Performing Arts in Somerset, southwest England, on June 29, 2014.Members of the English National Ballet perform on the Pyramid stage at Worthy Farm in Somerset, during the GlastonburyFestival June 29, 2014.British singer Billy Bragg performs at Glastonbury music festival, England, Sunday, June 29, 2014. Thousands of music fans have arrived for the festival to see headliners Dolly Parton Arcade Fire, Metallica and Kasabian.James Hetfield of US metal band Metallica performs on the Pyramid Stage, on the second day of the GlastonburyFestival of Music and Performing Arts on Worthy Farm in Somerset, south west England, on June 28, 2014.Kirk Hammett of US metal band Metallica performs on the Pyramid Stage, on the second day of the GlastonburyFestival of Music and Performing Arts on Worthy Farm in Somerset, south west England, on June 28, 2014.Lars Ulrich of US metal band Metallica performs on the Pyramid Stage, on the second day of the GlastonburyFestival of Music and Performing Arts on Worthy Farm in Somerset, south west England, on June 28, 2014.Rob Trujillo of US metal band Metallica performs on the Pyramid Stage, on the second day of the GlastonburyFestival of Music and Performing Arts on Worthy Farm in Somerset, south west England, on June 28, 2014.James Hetfield, left and Kirk Hammett, from US band Metallica perform at Glastonbury music festival, England, Saturday, June 28, 2014.Lars Ulrich of US metal band Metallica performs on the Pyramid Stage, on the second day of the GlastonburyFestival of Music and Performing Arts on Worthy Farm in Somerset, south west England, on June 28, 2014.Festivalgoers watch US metal band Metallica perform on the Pyramid Stage, on the second day of the GlastonburyFestival of Music and Performing Arts in Somerset, southwest England, on June 28, 2014.British singer Robert Plant performs on the Pyramid Stage, on the second day of the GlastonburyFestival of Music and Performing Arts in Somerset, southwest England, on June 28, 2014.