Ozzy Osbourne's death at the age of 76 has shocked Hollywood, and many celebrities have taken to social media to mourn his passing.
Elton John shared a pic of himself with Osbourne, writing on Instagram, "So sad to hear the news of @ozzyosbourne passing away.
"He was a dear friend and a huge trailblazer who secured his place in the pantheon of rock gods - a true legend. He was also one of the funniest people I've ever met. I will miss him dearly. To Sharon and the family, I send my condolences and love."
Jason Momoa posted a pic of himself with Ozzy and his wife Sharon Osbourne. He wrote, "Love you @ozzyosbourne All my aloha @sharonosbourne and ohana. So grateful. RIP."
Rod Stewart posted, "Bye, bye Ozzy. Sleep well, my friend. I'll see you up there - later rather than sooner."
Rolling Stone's Ronnie Wood paid tribute, writing on Instagram, "I am so very sad to hear of the death of Ozzy Osbourne. What a lovely goodbye concert he had at Back To The Beginning in Birmingham."
Yungblud took to his Instagram Story to post a video of himself performing Black Sabbath's iconic song Changes.
"You will be every single note I sing and every single time I walk on stage. You asked me if there was anything you could do for me once, and I said then, and as I will say now, the music was enough. I will play this every night for the rest of my life."
News of Osbourne's death came just weeks after he gave his final live performance in his hometown of Birmingham.