News of George Michael's passing has saddened the music world.
Elton John, among Michael's closest friends, was among those deeply affected by his death. The legendary singer-songwriter took to Instagram and posted a photo of him and George saying, "I am in deep shock. I have lost a beloved friend - the kindest, most generous soul and a brilliant artist. My heart goes out to his family and all of his fans. @GeorgeMichael #RIP"
Stars have also expressed their sadness over the tragic news.