Robin Williams Found Dead at 63: Stars React to the Comedy Legend's Passing

Monty Brinton/CBS via Getty Images

The news of Robin Williams' tragic death has just made its way to Hollywood, and they're speaking out in volumes about the beloved actor.

The 63-year-old was found dead at his home in Tiburon, Calif., this morning, according to the Marin County Sheriff's Office Coroner Division.

"Robin Williams passed away this morning," his rep confirmed to E! News. "He has been battling severe depression of late. This is a tragic and sudden loss. The family respectfully asks for their privacy as they grieve during this very difficult time."

Co-stars, friends, and even those whom he never met, but undoubtedly touched, are taking to Twitter to honor the Oscar winner.

My thoughts & prayers are with Robin Williams family & friends. He inspired so much of who I am and what I do. I will miss him greatly.

— Zachary Levi (@ZacharyLevi) August 11, 2014

I can?t believe the news about Robin Williams. He gave so much to so many people. I?m heartbroken.

? Ellen DeGeneres (@TheEllenShow) August 11, 2014

So sad about Robin Williams...??

? KATY PERRY (@katyperry) August 11, 2014

My thoughts & prayers are with Robin Williams family & friends. He inspired so much of who I am and what I do. I will miss him greatly.

— Zachary Levi (@ZacharyLevi) August 11, 2014

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

— Miley Ray Cyrus (@MileyCyrus) August 11, 2014

My prayers+sad heart are with Robin Williams' family tonight. Only met him once, but it was one of the most enjoyable moments of my life RIP

? P!nk (@Pink) August 11, 2014

Heart broken!!! #RIP Robin Williams!! Praying for your family on such a sad day. You've given so much joy to so many. Devastating we lost u

? Khloé (@khloekardashian) August 11, 2014

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

? Quincy Jones (@QuincyDJones) August 11, 2014

Can?t believe news about @robinwilliams,I?m heartbroken! Praying for his family, loved ones, fans worldwide & peace for his soul?RIP

? Gloria Estefan (@GloriaEstefan) August 11, 2014

So sad so funny http://t.co/YF9UH5BOYb

? Chris Rock (@chrisrock) August 11, 2014

god no.

? John Stamos (@JohnStamos) August 11, 2014

RIP to one of the greatest comedic and dramatic actors of our time. We will miss you. #NaNuNaNu

— Jenny McCarthy (@JennyMcCarthy) August 11, 2014

Robin Williams ... You were an idol and an inspiration. As a child I began to dream of making movies because ... http://t.co/0ebeDCFmNG

— Sophia Bush (@SophiaBush) August 11, 2014

If you or someone you know needs help, please call the National Suicide Prevention Lifeline at 1-800-273-TALK (8255).