Ariana Grande backed out of her BRIT Award tribute performance dedicated to the 22 people who died at her concert a year ago in Manchester, England, just hours before she was set to perform on Wednesday.
She was under doctor's orders not to travel.
A source told The Mirror: 'It was utter chaos when the call came in that Ariana couldn't do it.
But she's now said to have pulled out, after falling ill and being forbidden from flying.
However, subsequent reports by the same publication are suggesting that Liam Gallagher - who himself performed at the One Love Manchester concert last summer - is preparing to step in and sing the Oasis hit "Live Forever".
We hope Ariana feels better soon, and we're sure Liam will do a brilliant job of honouring those whose lives were lost.
She has always proudly supported the community that was devastated by the incident, saying it had 'broken' her.
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In her place, Gary Barlow of Take That introduced the poignant tribute.
"A horrific terrorist attack took place, stealing the lives, dreams and futures of 22 people while injuring and maiming hundreds of others". Live changed irreparably, forever.
Authorities in Costa Rica said on Monday, July 10 2017 they have arrested a 22-year-old Colombian man suspected of threatening to stage an attack at a concert by pop singer.
"The event epitomised the human spirit and showed hate will never win and fear will never divide us".
The singer-songwriter, who is the first female in the history of the Brits to be nominated for five awards in one year, picked up the first gong of the night.
Dua Lipa and Stormzy were the big winners at this year's ceremony: Dua Lipa took home the prizes for British Female Solo Artist and British Breakthrough, while Stormzy won British Male Solo Artist and Mastercard Album of the Year.