Oscar-winning actor and comedian Robin Williams was found dead at age 63 on Monday from an apparent suicide at his home in northern California, authorities said. As the news spread fans, Hollywood celebrities, and many others who knew him, paid tribute to Williams.
Robin Williams' Death Prompts Outpouring of Tributes

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Flowers sit in front of the home of Robin Williams, Aug. 11, 2014, in Tiburon, California.

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A photo of the late actor Robin Williams as Mork from Ork hangs with flowers left by people paying their respects, in Boulder, Colorado, Aug. 11, 2014, at the home where his hit 1980s TV series "Mork & Mindy", was set.

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A person walks past the marquee of the Laugh Factory with a message in memory of actor/comedian Robin Williams in the Hollywood district of Los Angeles, Aug. 11, 2014.

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Robin Williams' star on the Hollywood Walk of Fame is seen, Aug. 11, 2014, in Hollywood, California.