The pop star reflected on the band's legacy as she picked up a global impact award in London.
The youngsters could not help but perform their school assembly song for the singer who wrote it.
This is the moment school pupils bumped into Jessie J and performed their assembly song Flashlight, one of the singer's hits, to her!
The singer says she "exhaled for the first time in a year" after doctors gave her the news.
They join Sir Tom Jones and Jessie J for the music and motoring festival in August.
Watch this wicked performance from the Radio 2 Piano Room.
The royals shake hands with Paddington and discuss marmalade sandwiches backstage.
The singer recalls her first concert and the trend for throwing unusual objects in the crowd at the time.
"I need to be better, I need to be healed and this is the right decision to make," she tells fans.
