It's understood that schoolchildren who are survivors of the Manchester bombing will join Ariana Grande on stage on Sunday night in Manchester.
According to The Times, students from the Parrs Wood High School's Harmony Choir were chosen to join Ariana on stage.
Tickets for the benefit concert went on sale this morning and sold out in just six minutes.
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The Black Eyed Peas, Justin Bieber, Katy Perry, Usher, Niall Horan, Pharell Williams, Take That, Coldplay and Miley Cyrus will join Ariana on stage on Sunday.