All venues in the National Arena Association will take part at 2:30PM to mark one year since the bombing.
Usher, Miley Cyrus, Coldplay and Katy Perry are also due to appear.
We met people getting tattooed to show solidarity with the city of Manchester.
Within minutes of the Manchester attacks, the injured were arriving in hospitals; within hours the suspect was identified, all because of well-rehearsed protocols likes these.
Away from the politics, there are some fairly serious practical concerns.
But that hasn't stopped his critics from ignoring it entirely.
And what you can do to help them through traumatic times.
Speaking to the residents in a city showing its resilience.
Her apparent voluntary redundancy comes days after that "final solution" tweet.
We spent the last three days meeting residents, to understand how the city is coping with Monday's attack.
Plus, her manager Scooter Braun has shared a message of strength in the wake of the Manchester bombing.
“People working shifts after a bombing shouldn't buy their own drinks.”