It's hippie crack for breakfast! Glastonbury revellers start the day with a dangerous pick-me-up as 175,000 revellers descend on the world's largest greenfield festival - and there's still no rain

• Forecasters warn revellers to 'slap on the sun cream' with the usually rain-hit festival set to be bathed in sunshine
• Temperatures will hit 21C as 175,000 people arrive at Glastonbury Festival to set up camp, but rain is on the way
• First acts will take to the stage today but the big name bands do not start until tomorrow on the Pyramid Stage
• Tens of thousands of festival-goers were already on Worthy Farm last night to kick off the celebrations early

Thousands of groggy revellers awoke from their first night of partying to a magnificent sunrise over Glastonbury Festival this morning, with the music finally set to begin today.

• With 175,000 people expected to walk through the Worthy Farm gates over the weekend, tens of thousands of music fans were already on the site last night as they arrived early to bag themselves the best camping spots.
  Forecasters warned festival-goers to 'slap on the sun cream' as they predicted highs of 21C, with the traditionally rain-hit festival set to be bathed in sunshine for at least today, but showers are on the way.
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  Rise and shine: Three Glasto-goers appear to inhale from balloons this morning at Glastonbury Festival, as 175,000 people descended on Worthy Farm
  
  

  City of tents: The sun sets over Glastonbury last night as tens of thousands of people arrived early at the Worthy Farm site
  

  
  

  A girl appears to inhale from a balloon after arriving at the festival, which will be attended by around 175,000 music fans
  
  

  Party time: Two girls dance at the stone circle at Glastonbury Festival yesterday as the first revellers rocked up to set up camp
  

  
  

  Forget the tent? One reveller slept under the stars after what looked like a heavy first night at the huge festival in Somerset
  Thousands pour through gates as Glastonbury gets underway

  

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  The 175,000 Glastonbury ticket-holders planning to cram into the 900-acre farm will be hoping the good weather holds out, with early birds treated to a glorious sunrise over the festival.
  But some revellers looked like they had partied too hard already, with men seen passed out under foil blankets and groups of people waking up to inhale what appeared to be nitrous oxide balloons, otherwise known as laughing gas or 'hippie crack'.
  Temperatures could hit 21C today as the music begins, but the heavens are set to open tomorrow and continue throughout the weekend.
  A spokesman for the Met Office said: 'It will be a fine, warm day in Glastonbury today with plenty of sunshine, so a good day to be out and about.

  
  

  
  
  

  Flower power: A young woman opts for a hippie look as she watches the sunset over Worthy Farm last night, with the music starting today
  
  

  Two men dance after waking up after their first night at Glastonbury, with the first acts playing today and the main band star
  

  Dance like nobody's watching: Festival-goers were up bright and early this morning after the first night of camping at Glastonbury
  
  

  Memories: Friends took photographs as the sun set over the festival site, which should stay dry until Friday when showers are forecast
  
  

  We're here! After the long drive down to the Somerset farm, campers were seen enjoying the views at Glastonbury Festival yesterday
  While it should stay above 18C over the weekend, the Met Office added that rain was expected and that Sunday could see the worst of the weather. 
  More than 2,000 acts will play on dozens of stages at Worthy Farm, with Florence and the Machine, Kanye West and The Who headlining the Pyramid Stage over the weekend.
  The performance by West could make it one of the most controversial years yet for the event.
  News that the abrasive hip hop artist West had been booked to headline was met with a backlash by Glastonbury fans, who felt he was too much of a departure from the festival's roots.
  A petition on Change.org describing West as a 'musical injustice' who has been 'very outspoken on his views on music' and should pass on his slot has received 134,548 signatures.
  Co-organiser of the festival Emily Eavis who made the booking revealed that she has received death threats and online abuse since announcing the line-up.
  It echoes a similar sentiment felt by some fans ahead of performances by Jay Z and Beyonce who managed to win over the crowds despite criticisms that the festival was becoming too commercial.
  Ms Eavis said that West is 'fired up for the gig' and has some 'really exciting plans'.
  
  

  Fun times: These four proved Glastonbury is not just for youngsters as they had a laugh in the evening sun last night
  

  More than 2,000 acts will play on dozens of stages at Worthy Farm, with Florence and the Machine, Kanye West and The Who headlining the Pyramid Stage over the weekend
  

  Around 175,000 people are expected to descend on Worthy Farm as it opens it gates for the festival, with the big name acts taking to the stages from tomorrow
  
  

  No rain dance: Two women held hands as they celebrated the start of the festival, which is yet to be hit by rain and could remain largely dry for at least the first day
  

  High spirits: Forecasters say it could rain on Friday, Saturday and Sunday, but the festival would not be a 'complete washout'
  

  Sun's out: The 175,000 Glastonbury ticket-holders planning to cram into the 900-acre farm will be hoping the good weather holds out
  The festival suffered a late blow when the Foo Fighters were forced to pull out, with Florence and the Machine promoted to headline on the opening night.
  Music veterans The Who, whose rock and roll credentials include a famed performance at Woodstock, will restore the natural order when they close the festival on Sunday night.
  Other musical highlights at the festival include Chemical Brothers, Rudimental, George Ezra, Motorhead, Lionel Richie, Alt J, and Paloma Faith. 
  The music proper starts tomorrow, but the first bands will take to the stage later today to keep the tens of thousands of revellers entertained as the fun in the sun begins.
  However, it won't be too long later that the now traditional Glastonbury rain arrives.
  Brought on by the tail-end of Tropical Storm Bill - which has already wreaked havoc in the United States - the wild weather set to arrive on Friday will bring strong winds and heavy downpours.
  

  The music proper starts tomorrow, but the first bands will take to the stage later today to keep the tens of thousands of revellers entertained as the fun in the sun begins
  

  Temperatures could hit 21C today as forecasters warned festival-goers to 'slap on the sun cream', but the heavens are set to open tomorrow
  

  Selfie festival: Organisers expect this festival to be tweeted about more than any Glastonbury before, with EE providing phone charging 'power bars' than ever before
  

  Make sure the dry shampoo is packed! Temperatures are set to peak at around 21 degrees Celsius both today and tomorrrow
  

  Burning the candle at both ends: Amy Nicholson holds a torch at the stone circle late last night, but thousands of festival-goers were up early to watch the sun rise this morning
  

  

  Friday headliners the Foo Fighters had to pull out when lead singer Dave Grohl (left) broke his leg falling off stage in Sweden. The US rock outfit have been replaced by Florence and the Machine (right)
  Meanwhile off stage, physicist and mathematician Professor Stephen Hawking will make a guest appearance in front of families.
  New this year at the festival is a viewing platform to give a different perspective of the transformed 1,000 acre farm.
  Organisers have also increased the number of compost toilets from 300 last year to 1,200 this year, which is good news for the environment and campers who are promised a much better smell than the alternative long drop pit toilets.
  The event's technology and communications partner EE is expecting around 200,000 'power bar' swaps this year compared to the 32,000 last year, meaning the festival is more likely than ever to swamp social media.
  Last week Ms Eavis revealed the future of the festival has been left open, admitting her and her father have had 'many discussions' about relocating the most popular music event in the UK.
  But while founder Michael Eavis is keen for 'one last risk', his daughter and co-organiser is more reluctant to see the event change.