As the news of George Michael's passing continues to make waves around the world, celebrities including Adam Lambert, Mark Ronson and George Takei are speaking out across social media and expressing their condolences.

"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," Elton John wrote on Instagram.

"#RIPGeorgeMichael. You were an absolute genius. My sincerest condolences go out to your family, David, Michael and your whole team," writes Nile Rodgers.

See the shared memories and messages below.

Stars We've Lost in 2016