"He always brought it every night, Ace was an ACE"
He also recalled how many fans discovered him because of his cameo on 'The Muppet Show'
Cooper previously called Osbourne "an unmatched showman and cultural icon"
“Rock n’ Roll is a family and a fraternity. When we lose one of our own, it bleeds”
“America got sick of the stupidness,” he said
The Britpop icons ended a 16-year absence and made a triumphant return to the stage earlier this month