The Mrs Doubtfire actor died from what is suspected to be suicide by asphyxiation.
Williams was found unresponsive in his home in Northern California and later it was revealed that he had tragically passed.
The Hollywood elite have spoken out about their sadness over the loss of ‘comedy genius’ Robin Williams.
The star had reportedly been suffering from severe depression at the time of his death.
Fellow comedy actor Steve Martin tweeted: "I could not be more stunned by the loss of Robin Williams, mensch, great talent, acting partner, genuine soul."
Mara Wilson, who played Williams’ daughter in Mrs Doubtfire, also took to Twitter to share her sadness.
She wrote: “Very sad, very upset, very glad I did not have to hear about this though Twitter. Probably going to be taking some time off it for a while.”
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Robin’s wife, graphic designer Susan Schneider, released a statement reading: "This morning, I lost my husband and my best friend, while the world lost one of its most beloved artists and beautiful human beings. I am utterly heartbroken.”