"If you can fit in them, you can wear them," Chrome Hearts co-founder Richard Stark told the singer of Pop's leather pants
"Another nail in the coffin of rock n roll"
Sabrina Carpenter, Yungblud, Mariah Carey, Lola Young and more took to the stage
"The most beautiful thing he ever said to me"
"I’ll try my best to do you proud Oz," Yungblud vowed ahead of the performance that left Grande in awe
They performed hits like 'Changes', 'Crazy Train' and 'Mama, I'm Coming Home'
The singer has described the late Black Sabbath frontman as his "North Star"
The one-day event of live performances, exhibitions, talks and pop ups takes place on September 6
"The room was electric and the crowd was insane"
The singer first performed the Sabbath song at the poignant 'Back To The Beginning' show last month