Social media reacts to the death of Robin Williams

An outpouring of love and mourning have come from celebrities via social media.

Fellow comedic actor Steve Martin tweeted his grief, saying: "I could not be more stunned by the loss of Robin Williams, mensch, great talent, acting partner, genuine soul."

The Crazy Ones co-star Sarah Michelle Gellar simply tweeted a collage of the two of the together.

The folks at Sesame Street tweeted: "We mourn the loss of our friend Robin Williams, who always made us laugh and smile."

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