Luminaries of the music world mourned the death Tuesday of Ozzy Osbourne at age 76, expressing affection and admiration for the heavy metal icon.

Ozzy Osbourne was a "trailblazer" and a "true legend" said Sir Elton John in an emotional tribute. Lady Gaga, Sir Rod Stewart, Judas Priest, Yungblud, David Beckham, Kermit the Frog, and more also ...