It's a very sad day in Hollywood.
Makeshift memorials have been popping up all around the country today, as fans and industry folks alike pay tribute to Robin Williams.
Robin Williams' Final Tweet Was Dedicated to His "Baby Girl" Zelda
The 63-year-old reportedly took his own life on Monday, after struggling with a severe bout of depression over the past few months.
"Hook" Star Dante Basco Pens Heartfelt Letter in Memory of Robin Williams.
From some of his most famous film quotes written in chalk around the bench where Robin sat with Matt Damon in "Good Will Hunting" to vigils at the house used in "Mork and Mindy," there's no shortage of tributes for the fallen star.
Check out the scene between Robin and Matt below.
Robin Williams' "Mrs. Doubtfire" Costars Remember Late Actor
Check out the gallery above to see more memorials for the comedian, and click here to see Hollywood's reactions to Williams' sudden and tragic passing.
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