A one-hour special with highlights from the concert will then air on multiple ABC stations later Sunday night, after the National Basketball Association finals.
In the US, ABC's Freeform channel (formerly ABC Family) will air the event LIVE with one-hour highlights being aired on ABC stations after the National Basketball Association finals.
Her publicist told The Associated Press on Tuesday that Grande will be joined Sunday by artists including Coldplay, Justin Bieber, Katy Perry and Pharrell Williams for a performance at Manchester's Old Trafford cricket ground.
All net ticket proceeds from the concert will go towards the "We Love Manchester Emergency Fund" created by Manchester City Council, in partnership with the British Red Cross, to help those impacted by the bombing at Grande's May 22 show.
Ariana Grande's charity concert - which will kick off on Sunday at 7 P.M. United Kingdom time / 2 P.M. E.T. - sold out in just six minutes on Thursday, with the Ticketmaster website struggling to cope with a massive influx of visitors trying to get their hands on the coveted tickets.
Can't make it to Ariana Grande's One Love concert this Sunday in Manchester, England?
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Grande announced the show last week on social media, writing that she had been thinking of her fans "nonstop" and planned to return to the city to spend time with her fans, known as Arianators, there.
Please do not attempt to sell One Love Manchester tickets on our site.
Television coverage of the "One Love Manchester" concert is being produced by the BBC, the host broadcaster.
Peter Mann, whose daughter Jaden was injured in the attack, wrote of Grande's hospital visit: "This means more to us than all the awesome things people have done this week".
The PSNI has warned concert goers to "be on the look-out" for ticket fraud linked to the One Love Manchester concert. Thankfully, Ari G brought quite the support system as her parents and boyfriend Mac Miller were also seen leaving the aircraft.