The Scottish singer, 80, is currently on tour and since the news of Ozzy's death, he has been dedicating Forever Young to the rocker. He's since ramped up the tribute.

Over the years, we've lost many musical legends – most recently, the Prince of Darkness, Ozzy Osbourne. But it's not just fans that have been mourning Oz, his musician pals have also paid their respects, including husky, hip gyrating singer, Rod Stewart.

British rock singer raised eyebrows when he shared a video featuring an AI likeness of the Black Sabbath frontman taking selfies with other late stars, including Prince, Kurt Cobain and Amy Winehouse