The common thread throughout all the posts was the "shock" that the music community now feels after losing the Soundgarden and Audioslave singer.
"Very sad news about Chris Cornell today. A sad loss of a great talent to the world, his friends and family. Rest In Peace," Joe Perry tweeted with a picture of himself and Cornell.
Elton John posted just a picture of Cornell with the caption, "Shocked and saddened by the sudden death of @chriscornell. A great singer, songwriter and the loveliest man."
Here's how others are paying homage: