All the cool kids come out for Glastonbury

British singer Lily Allen performs on the Pyramid Stage, on the first official day of the Glastonbury Festival of Music and Performing Arts in Somerset, southwest England, June 27, 2014.

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Following a very heavy rainstorm, a double rainbow appears in the sky above the site on the first official day of the Glastonbury Festival of Music and Performing Arts in Somerset, southwest England, June 27, 2014.

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Singer Ricky Wilson of the band Kaiser Chiefs performs on the Other Stage at Worthy Farm in Somerset, on the third day of the Glastonbury music festival, June 27, 2014.

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A festival goer displays her false eyelashes at Worthy Farm in Somerset, on the second day of the Glastonbury music festival, June 26, 2014.

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Festival goers splash through a mud puddle at Worthy Farm in Somerset, on the third day of the Glastonbury music festival, June 27, 2014.

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Este Haim, bass guitarist and vocals of U.S. band Haim, performs on the Other Stage at Worthy Farm in Somerset, during the Glastonbury Festival, June 27, 2014.

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A festival-goer cheers in front of the Other Stage at Worthy Farm in Somerset, during the Glastonbury Festival June 27, 2014.

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Two women share a kiss below the Ribbon Tower in The Park at Worthy Farm in Pilton on the eve of the first day of the 2014 Glastonbury Festival in Glastonbury, England, June 24, 2014.

Gates opened at the Somerset dairy farm that plays host to one of the largest music festivals in the world.

Tickets to the event, which is now in its 44th year, sold out in minutes even before any of the headline acts had been confirmed. The festival, which started in 1970 when several hundred hippies paid £1, now attracts more than 175,000 people.

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Festivalgoers relax in a yoga session during the Glastonbury Festival at Worthy Farm, June 26, 2014.

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People gather below the Glastonbury sign at Worthy Farm on the eve of the first day of the 2014 Glastonbury Festival, June 24, 2014.

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Bryan Patterson, 28, from Liverpool poses for a photograph as he lines up to get into Worthy Farm in Pilton for the first day of the 2014 Glastonbury Festival, June 25, 2014.

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The general atmosphere during the Glastonbury Festival, June 25, 2014.

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The general atmosphere during the Glastonbury Festival, June 25, 2014.

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A girl pedals air into a forge in a blacksmiths stall during the Glastonbury Festival, June 26, 2014.

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A festivalgoer touches part of a sculpture by Banksy, entitled "The Sirens of the Lambs," depicting a truck full of shrieking cuddly animals being driven to slaughter, driving around the Glastonbury Festival, June 26, 2014.

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Festivalgoers wear Wellington boots in preparation for rain during the Glastonbury Festival, June 26, 2014.

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Festivalgoers enjoy the atmosphere during the Glastonbury Festival, June 26, 2014.

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A festivalgoer enjoys the atmosphere as rain falls during the Glastonbury Festival, June 26, 2014.

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People walk through the site at Worthy Farm in Pilton on the eve of the first day of the 2014 Glastonbury Festival, June 24, 2014.

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General atmosphere during the Glastonbury Festival at Worthy Farm, June 25, 2014.

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The sun sets behind the Ribbon Tower in The Park at Worthy Farm in Pilton on the eve of the first day of the 2014 Glastonbury Festival, June 24, 2014.

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General atmosphere during the Glastonbury Festival at Worthy Farm, June 25, 2014.

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People gather at the Stone Circle sunset at Worthy Farm in Pilton on the eve of the first day of the 2014 Glastonbury Festival, June 24, 2014.