Billie Eilish is making history tonight as Glastonbury's youngest ever solo headliner, and she's definitely making a mark at the same time.
As the 'Happier Than Ever' singer took to the stage, she made a point of giving the crowd three poignant rules to follow.
So what are the three rules? We hear you ask. Well, the headliner simply said: "Don't be an a**hole, no judgement, have fun b**ch."
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The crowd have gone wild for the 20-year-old who has quite literally set the Pyramid stage on fire.
She didn't just give the crowd rules, either, but commented on the controversial overturning of Roe VS Wade in the US today.
The singer said in reference to the overturning and Depp VS Heard: "Today is a really, really dark day for women in the US.
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"And I’m just going to say that because I can’t bear to think about it anymore in this moment."
Fans have rushed to social media to weigh in on Eilish's historic performance.
One wrote: "Billie Eilish is awesome! Live on the Beeb now! Glastonbury 2022. Love music!"
"Billie Eilish… headlining Glastonbury, just her, her brother & her band," commented a second fan. "No dancers, no sexually revealing costumes, no gimmicks. Just Billie, her trainers, her space buns & her god given talent. Thank u thank u thank uuuuu. We're witnessing history."
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A third added: "I only know a couple of her songs but it’s great to see a 20 year old woman full of self confidence and being entirely herself bossing Glastonbury."
"#BillieEilish really is quite exceptional," gushed a fourth fan.
"Love a bit of Billie Eilish, makes everything in my life a bit calm," added a fifth.
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Meanwhile, this fan simply couldn't get over how amazing Eilish's performance was given that she is just 20 years old.
They wrote: "Billie Eilish is properly smashing Glastonbury, she's 20! Unreal!!"
It looks like the performance has also won Eilish some new fans, with one viewer adding: "Going to try to listen to more of #BillieEilish after watching this."
Ahead of her performance tonight, Eilish told NME: "I'm so honoured to be a part of it."
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She explained: "It's heart-warming to see how much people care about [Glastonbury] and think that this is going to be the best weekend of their lives."