Oscar winner Robin Williams' tragic death has shocked many celebrities in Hollywood. His co-stars, friends and even those whom he never met but touched, paid condolences to the comedy legend.

The celebrities took to Twitter to share their tributes for Williams, reports eonline.com.

Here's what they tweeted:

John Cusack: RIP mr Williams - beyond great talent -such a kind and lovely person.

Ben Stiller: A tweet cannot begin to describe the hugeness of Robin Williams heart and soul and talent. This is so sad. #RobinWilliams

Taylor Swift: Heartbroken for Robin Williams and his family.

Ellen DeGeneres: I can't believe the news about Robin Williams. He gave so much to so many people. I'm heartbroken.

Katy Perry: So sad about Robin Williams...??

Miley Cyrus: I can't take the Robin Williams news. I've never cried over someone I've never met but I can't stop????????

Quincy Jones: RIP to my dear brother and friend Robin Williams. The world will miss the decades of laughter that you gave all of us.