Ariana Grande benefit concert in Manchester

Ariana Grande on stage during her One Love Manchester concert at Old Trafford Cricket Ground in Manchester, Britain, on June 4, 2017.

In this June 4, 2017, photo provided by Dave Hogan for One Love Manchester, members of the crowd hold We Stand Together placards at the One Love Manchester tribute concert in Manchester.

In this June 4, 2017, photo provided by Dave Hogan for One Love Manchester, singer Robbie Williams performs.

In this June 4, 2017, photo provided by Dave Hogan for One Love Manchester, singers Pharrell Williams, left, and Miley Cyrus perform at the One Love Manchester tribute concert.

Security staff check people arriving for the One Love Manchester benefit concert on June 4, 2017, for the victims of last month’s Manchester Arena terror attack at the Emirates Old Trafford, Manchester, England.

A armed police presence as crowds arrive to attend the One Love Manchester benefit concert on June 4, 2017, for the victims of last month’s Manchester Arena terror attack at the Emirates Old Trafford, Manchester, England.

Eleanor Lunn, left, and Abbey Hawkes, both 19, from Sheffield, queue up to attend the to attend the One Love Manchester benefit concert on June 4, 2017, for the victims of last month’s Manchester Arena terror attack at the Emirates Old Trafford, Manchester, England.