Prince Harry gave Glastonbury the royal seal of approval by partying until the early hours of the morning, festival organiser Michael Eavis said today.
The prince was spotted backstage watching The Rolling Stones headline the Pyramid Stage last night and also enjoyed music at the Park and John Peel stages in yesterday's sunshine with girlfriend Cressida Bonas.
"I recommended that he should go on into the night, because the nightlife is what Glastonbury is all about," said Eavis.
"At three o'clock in the afternoon, you don't get it.
"I told him to get his taxi driver to come back at five o'clock in the morning and do you know what? He lasted until four in the morning."
Glastonbury Festival founder Michael Eavis has proclaimed this year's festival the best ever "without a shadow of a doubt".
He praised the Rolling Stones for their "mind boggling" energy and said how much he had enjoyed watching their show from the side of the stage.
100,000 people crammed into the field in front of the Pyramid stage to watch the Stones.
Eavis also revealed that His Royal Highness Prince Harry was at the festival on Saturday. He watched the Rolling Stones and stayed on site to experience the true Glastonbury atmosphere with a group of his friends until 4am.
Asked how he would top the Rolling Stones next year, Eavis said he already had his three headliners organised for Glastonbury 2014, but refused to give any hints as to who they might be.
Mumford & Sons will return to the stage at Glastonbury together this evening after bassist Ted Dwane's recent operation to remove a blood clot on his brain.
It led to the band postponing three US concerts while he received treatment and subsequently recuperated.
Speaking last week, keyboard player Ben Lovett said: "All we feel is incredibly grateful and happy that he's going to be OK, and that we're going to get back out on that stage at Glastonbury as four brothers and do what we do".
"Whenever we tour elsewhere then come back to Glastonbury, it always reminds us how brilliant it is to be British, and what a great British institution it is".
Next year's Glastonbury festival looks set to sell out in record time, according to bookmaker Ladbrokes.
The odds of tickets for the 2014 festival, on sale in October, selling out in record time were slashed to just 4/5 as the Rolling Stones came off stage.
It also looks like festival fans will continue to enjoy the music in the mud for at least another 7 years, with odds of 2/1 offered that the festival continues until after 2020. Alex Donohue of Ladbrokes said:
The odds of Glastonbury 2014 selling out in record time tumbled as the Stones left the stage. Even without Jagger there next year anyone who missed out this time round will make sure they won't make the same mistake twice.
Mumford & Sons will tonight be following one of the most historic performances ever seen at Glastonbury, after the Rolling Stones stormed their way through a glittering two-hour set.
One of the most eagerly awaited performances in Glastonbury Festival's history began with a bang tonight.
As the Rolling Stones took to the Pyramid Stage 10 minutes after they had been scheduled to start, fireworks flared on both sides of the crowds.
Sir Mick Jagger, wearing a green glittered jacket, then bounded into view to launch into an energetic version of Jumping Jack Flash.
Glastonbury headliners The Rolling Stones are due on stage at 9.30pm on Saturday night.
Worthy Farm has become awash with Stones t-shirts and masks as tens of thousands of people prepare to watch them headline on the Pyramid Stage.
The viewing area has even been extended to allow for the crowds expected to be in place for the start of their set .
Rolling Stones singer Mick Jagger tweeted that he was "just getting ready" for tonight's Glastonbury headline slot.
The 69-year-old posted an Instagram picture of himself stepping out of his trailer wearing a long scarf.
An anti-Margaret Thatcher protest song was performed at Glastonbury Festival today, just months after the former Prime Minister's death.
Elvis Costello, playing an afternoon set on the main Pyramid Stage, Costello introduced Tramp the Dirt Down by saying at the time he wrote it, many years ago, he thought everyone would have jetpacks by 2013.
The controversial song was broadcast as part of the BBC's coverage of the festival.
Costello, whose fans watching onstage included Mary McCartney and the Arctic Monkey's Alex Turner, told the audience that while he would not wish dementia on anyone: "The things she did to this country are still being done today."
Glastonbury visitors are not the only ones getting into the summer spirit by wearing wierd and wonderful outfits.