News: Who said What about Paul Walker's passing

Immediately following the news, messages started to pour in on Twitter. Among those who expressed grief over Walker's death were his Fast and the Furious costar Ludacris, his 1999 She's All That costar Gabrielle Union, and his 2000 Skulls costar Joshua Jackson. Read on for their reactions, and others:

Gabrielle Union: There are no words… Someone pls say this is just another absurd internet hoax

Ludacris: Your humble spirit was felt from the start, wherever you blessed your presence you always left a mark, we were like brothers & our birthdays are only 1 day apart, now You will forever hold a place in all of our hearts @paulwalker legacy will live on forever. R.I.P.

Joshua Jackson: Damn. Hard to imagine someone so full of life taken so soon. My thoughts go out to your family. RIP Pauly Walker

Emmanuelle Chriqui: Such a heavy heart about Paul Walker…my condolences to all his his family and friends. I heard from many what a beautiful soul he was:(

Olivia Wilde: Heavy heavy heart tonight. Paul Walker was a genuinely good, sweet, kind, laid back, loving person. Sending much love to his family.

Vanessa Lachey: I just heard and am in shock. Prayers to Paul Walker's family. Life is precious, never take a day for granted. #RIPPaulWalker

Jay Sean: Oh man just read about Paul Walkers death. So young. Ugggh makes me sick especially when it's caused by an accident. God bless his soul.

Adam Carolla: so sad about Paul Walker wish the best for his loved ones

Kat Dennings: Paul Walker???? Oh my god. This is heartbreaking

Tyson Beckford: RIP Paul Walker,loved working with you on “Into the Blue”. I Will miss you.

Tyler Shields: Paul Walker was such a nice guy so sad he died but at least he died doing what he loved and he went out on top sorry to see him go!

Jenna Ushkowitz: My thoughts and love go out to Paul's friends and family.

Kevin Zegers: Thoughts and prayers to Paul Walkers family and friends. Especially his young daughter.

Dominic Monaghan: .@RealPaulWalker awful news. Paul was a lovely guy. Handsome as all hell and funny and cool to boot. Terrible news. My condolences.

Michael B. Jordan: Man life is so short. People you care about can be here one min and gone the next Don't take life for granted RIP Paul Walker

Scott Porter: Immensely saddened by the loss of Paul Walker. An incredibly gentle and generous soul. Be safe out there folks. #RIPPaulWalker

Chris Daughtry: So I'm on a flight and just see that Paul Walker died in a car crash…so very sad! Wow! Stunned

Jamie Chung: So tragic. Prayers go out to Paul Walkers friends and family.

Kailyn Lowry: Fast and Furious just won't be the same without Paul Walker. #RIP

Michelle Branch: Sad to hear about Paul Walker. A friend of a friend was there & said he was at a charity car event raising money for the Philippines. Awful!

Kevin McHale: So sad to hear about Paul Walker. So young. Can’t believe it.

Amber Riley: My condolences to Paul Walker’s family. Rest In Peace.

Christopher Gorham: So saddened to hear about @RealPaulWalker 's passing. May he rest in peace.

Jack Osbourne: RIP Paul Walker

Brad Goreski: My thoughts and prayers go out to @RealPaulWalker family. How sad. He was such a beauty on film. Those blue eyes will be missed.

Lance Bass: So so sad about Paul Walker : (

Mario Lopez: RIP Paul Walker.. Eerie that the star of The Fast & The Furious died in a car accident.. God Bless his daughter

Dave Annable: Wow. I'm kind of in shock about the news on Paul Walker. So sad and tragic. Prayers out to friends and family. #RIPPaulWalker

Dane Cook: RIP Paul Walker

Kevin Hart: I'm a devastated right now. My prayers & condolences go out to Paul Walkers family & friends. He was a amazing talent & will truly b missed

Anne V: What an unbelievably sad news. #RIPPaulWalker. My thoughts and prayers go to your loves ones

Gabriel Macht: Never met him…but sad to hear he’s passed in a car accident. RIP Paul Walker…#tooyoung

ToyeenB: So shocking and sad, may God be with your daughter & fam. and rest your beautiful soul, Paul.
(Well, added mine too, just had to)!!!

Paul Walker, Van Diesel, Tyrese Gibson at the Fast And The Furious 6 world premiere