The pop star struggled to finish singing Someone You Loved at Glastonbury due to the condition.
The BBC did not film her performance on the Pyramid Stage.
Glastonbury 2023 brought with it many iconic moments.
About 1,000 volunteers picked up rubbish across the Glastonbury Festival site on Monday morning.
While critics raved about Elton John's headline performance, they panned Guns 'N' Roses and accused the Arctic Monkeys of 'butchering' their set.
Sporty Spice said all five of the Wannabe singers are rehearsed and ready for their 'bucket list' performance at the music festival next year.
Make sure you're at Worthy Farm next summer.
There's truly something for everyone on TV this week from poignant documentaries to high-octane dramas, and sweeping fantasy series.
Emily Eavis confirmed the news on BBC Radio 2.
Here's everything you need to know about this year's event, including line-up details and how to watch live.
Spears and Elton teamed up on Hold Me Closer.
With Arctic Monkeys frontman Alex Turner urged to rest after being diagnosed with acute laryngitis, bookies have revealed the odds of who could replace them at Glastonbury.
In recent years, there have been two Glasto summers which were as notable for the mud as the music.
From Pulp and the Foo Fighters to Harry Styles and Britney Spears – the 'secret' acts rumoured to perform at Worthy Farm this year.
You can count the number of women who have headlined Glastonbury in the last 20 years on one hand.
Looking back at some of the greatest TV moments from the greatest music festival in the world.
As Glastonbury Festival returns we look back at the tumultuous history of the festival.
People have been guessing after a mysterious unknown band was added to the bill.
The pop legend has raised over $500 million to combat the disease since he founded his charity in 1992
Dig out your bumbags, wellies and festival glitter and add these dates to your diary.
Sir Elton John, Arctic Monkeys and Guns N' Roses will headline.
It was already known that John was headlining.
The Farewell Yellow Brick Road has made more than $800 million so far.
Sporty Spice said the band reuniting for the music festival doesn't fit in with all their plans.
The singer dropped the hint when she appeared on The Big Narstie Show.