This year’s Reading Festival headliners are Foals, Biffy Clyro, Disclosure, Fall Out Boy and for the fourth time, Red Hot Chili Peppers.
The country's youth descended on Little John's Farm in Reading and Bramham Park in Leeds on Wednesday, many celebrating exam results from the past two weeks.
Frank Carter and The Rattlesnakes were the second act to play on Reading's main stage on Friday
Polly wanna cracker? Friday's fancy dress crew were out in force on one of the hottest days of the year so far.
In the battle of the Franks, Frank Turner and The Sleeping Souls opened up the Main Stage before being swiftly followed by Frank Carter and The Rattlesnakes.
Meanwhile at Leeds, post-punk rockers Spring King were all smiles ahead of their slot on the NME / Radio One Stage.
Grime king JME proved his big stage chops once more when Boy Better Know came to Reading 2016 on the Main Stage.
JME was joined by big brother Skepta. Together they proved why grime is the single biggest movement in music at the moment.
The sweaty weather caused some festival-goers to slip into something a bit more, err... comfortable.
Madrid garage-rock four-piece Hinds rocked the NME / Radio 1 stage with a hugely fun set that endeared them to thousands of new fans.
The blazing sun that bathed the Festival on Friday meant a hat was an absolute necessity. Not many could top this badged-up bonnet though.
Sure the big double act of Foals and Disclosure would rock the main stage later, but Friday's most surprising team-up was certainly Robocop and this pandemonium of parrots.
We caught up with Chvrches for an intimate photo shoot ahead of their euphoric set on the Main Stage.
Wiley, the godfather of grime, showed the kids how its done.
Crystal Castles played their first Reading without Alice Glass on Friday. It was tough going on the NME / Radio One Stage, but the Canadian duo managed to get people moving nonetheless.
A rare still moment in a set full of crazy antics. Twenty One Pilots' Tyler Joseph used the alt-hip hop duo's Friday night set to crowdsurf over their audience in a zorb ball, amongst other things.
Drummer Josh Dun also did a spot of crowdsurfing, but he managed it without leaving his drumkit. Yep, that's right - he got their fans to sail him and his drums over their heads.
The pair's hit 'Stressed Out' ensured the tent was rammed long before they came on and they rewarded their fans with one of the weekend's most ridiculous, stunt-filled sets.
US EDM duo Jack Ü (Diplo and Skrillex) finished things off on the NME / Radio One Stage on Friday. Taking advantage of the huge crowd, they debuted new track 'Constellations' – a collaboration with Florence + The Machine.
Foals capped off a perfect first day at Reading 2016 with an incendiary headline set on the Main Stage.
Disclosure's Guy Lawrence popped in for a quick tune too. The electro-pop dynamo joined Yannis & Co. onstage for one of their oldest songs, 'Two Steps Twice'.
And so the sun set on an amazing first day at Reading Festival 2016. Let's hope Saturday is even better!
Whitney puckered up and showed just how much they love each other during their set full of swooning romance.
The Chicago newcomers made their Reading Festival debut earlier today, playing songs from their impeccable debut album 'Light Upon The Lake'.
Slaves' Laurie Vincent showed our camera his game face while behind him bandmate Isaac Holman looked dreamily off into the distance.
The Tunbridge Wells looked like they meant business both off and on stage with a chaotic performance on the Reading Main Stage.
Chvrches' Lauren Mayberry surveyed her audience as the Glaswegian trio made the step up to the Main Stage on Friday night.
The three Scots belted out some of their finest, smooth synth-pop mega tunes like 'Bury It' and 'The Mother We Share' as the sun set on the first day of the festival.
Foals' first Reading headline performance was incendiary and their fans responded by getting wild, with moshpits and flares.
Blossoms stopped by the backstage area for a few cheeky snaps prior to their set on the NME / Radio One Stage.
Frank Turner belted out more of his anthemic punk tunes on Leeds Main Stage on Saturday.
Eagles Of Death Metal's Jesse Hughes looked like he was having the most fun during the band's Main Stage set.
He was decked out in a dapper white suit, topped off with a Native American headdress. Standard attire on the Main Stage.
Brummie rapper Lady Leshurr proved once again she's the next queen of grime with a bombastic set at Leeds.
Die Antwoord's fans had some sage advice for the South African ravers over on the Main Stage.
American rock trio Highly Suspect brought their debut album 'Mister Asylum' to Reading for the first time.
You Me At 6 were Saturday's surprise set and made everyone in The Pit stage very, very sweaty.
The group paid tribute to Architects' Tom Searle, who died earlier this week, asking the crowd to "make as much noise as humanly possible".
Slaves looked like they were taking their Main Stage set very seriously, turning up all suited and booted (but Isaac still managed to show off his chest).
Guitarist Laurie Vincent put in the hard graft, shredding out those signature heavy riffs while pulling mad shapes like this.
The band previewed songs from forthcoming new album 'Take Control', including new single 'Spit It Out' and 'Rich Man'.
Hours after their official performance the duo were back at it again, making a surprise appearance on the BBC Introducing Stage.
The Japanese House aka Amber Bain took a moment to catch her breath after she made a brilliant first appearance at Reading.
Skepta's lil' bro JME rocked up to Leeds' Main Stage with grime crew Boy Better Know.
Scottish synth-poppers Chvrches battled the rain during their Leeds set, but came out on top in the end.
Nas brought some of his finest tracks to the NME/Radio 1 Stage, including 'Hip Hop Is Dead' and a cover of Eurhythmics' 'Sweet Dreams (Are Made Of This)'.
EDM megastars Diplo and Skrillex closed the first day's proceedings on the NME/Radio 1 Stage with a shedload of bangers in their set.
London hip-hop duo Krept & Konan were one of the big draws on the NME/Radio 1 Stage on Saturday night, performing to a packed out tent.
The pair dropped the likes of 'Freak Of The Week' as they warmed the crowd up for a big night.
It's the fourth time headlining Reading Festival for The Red Hot Chili Peppers and Flea promised to bring "the wild animal" on stage with him.
Flea finger-picked his way through several extended bass solos. Several.
Top marks if you guessed which year Josh Klinghoffer's shirt came from.
Chilis drew a massive crowd of die-hard fans for their headline set.
Disclosure co-headlined Leeds on Saturday night, and the Lawrence brothers didn't disappoint. They played a hit-loaded set perfectly laying the groundwork for Foals' closing performance.
Stormzy headlining Radio 1 Extra stage on Saturday at Reading.
Welsh grime punks Astroid Boys delivered one the surprise joys of the weekend – their Radio 1Xtra set was seething, exciting and explosive, marking them out as one of the UK's most promising young bands.
Sigma tore the NME/Radio One to pieces, especially with a booming rendition of 'Nobody To Love'.
A$AP Rocky told everyone raised their hands in the air and punctuated his set with the sound effects of gun blasts.
The Vaccine's Justin Young assessed the carnage of the festival from the safety of his trailer.
Rat Boy are evidently enjoying life in the fast lane.
As Harry Hill would say: "Fiiiiiight!"
Fall Out Boy received a warm welcome at their first headline slot.
Imagine being in the middle of 'This Ain't A Scene, It's An Arms Race' and being faced with this terrifying sight.
Pete Wentz was wearing a lot of hair product and standing very close to women with open flames. He is a brave man.
He is safe... for now.
That light is not dangerous; it is a guarded source of light and Pete is safe.
Ezra Furman looked cool as fuck and delivered a killer Festival Republic Stage set that was one of the lesser-known joys of the weekend.
Rat Boy was lapping up the attention. He should probably get used to it, and should probably change his name to King Rat.
Machine Gun Kelly lived up to his live name and looked quite frightening.
The Wombats played the NME/Radio One Stage with career-spanning show that closed, of course, with the classic indie dance floor filler 'Let's Dance To Joy Division'.
Post-punks Savages delivered a brutal set on the NME/Radio One, inciting a mass singalong to the life-affirming 'Adore'.
The 1975 closed the NME/Radio One stage and the audience was a beautiful moment to end on, with front man Matt Healy vowing to return to headline the Main Stage. You'd better believe him.