Meanwhile, Nelly Furtado will be inducted into the Canadian Music Hall Of Fame
It will include unreleased alternate versions of songs from the era and a collaboration with Joni Mitchell
They joined the pop singer on stage for duets of hits including 'Time After Time' and 'Girls Just Wanna Have Fun'
“I worked my ass off for years and years and years on that music”
The sisters played the cover ahead of their upcoming show in Margate – and a rumoured secret set at Glasto...
“It’s one of my great regrets, it really plays on my mind”
“I’m very, very much aged-out of [playing] young Joni”
The 'Mamma Mia!' actor also impressed audiences by playing the dulcimer on 'Jimmy Fallon'
The singer made a rare live appearance at the event to raise funds for those impacted by the recent wildfires
The respective line-ups for the KIA Forum and Intuit Dome events have also been revealed, while ticketing fees have been waived
JM