UK broadcaster BBC One and a host of international channels will broadcast the One Love Manchester concert.
The is being held to raise money for the victims and families of the Manchester bombing last week at an Ariana Grande concert last week.
BBC One will cover the event, held at the Emirates Old Trafford Cricket Ground, between 6.55pm and 10pm on Sunday (June 4).
Australian networks Nine and BBC UKTV and New Zealand’s UKTV will also broadcast the event, with UKTV simulcasting in both territories. Channels in various territories around the world are expected to pick it up today.
Grande will joined by acts such as Grande, Justin Bieber, Coldplay, Katy Perry, Miley Cyrus, Pharrell Williams, Take That, Niall Horan, Little Mix, Robbie Williams and Black Eyed Peas at the event.
Twenty-three people, many of whom were children and parents and including the bomber, were killed in a suicide bombing on May 22 at the Manchester Arena. Many more remain in hospital.
“Bringing the nation together, the BBC is proud to be broadcasting what will undoubtedly be a moving tribute to the victims and their loved ones,” said BBC director general Tony Hall.
Guy Freeman will executive produce the broadcast for BBC Studios.