The news tonight that Paul Walker was killed in a car crash left friends, family, co-stars and even other actors who had never met the "Fast and Furious" star, but admired his work in complete shock.

"Sadly I must confirm that Paul did pass away this afternoon," Walker's rep Ame Van Iden said in an email.

His official Facebook page followed up his rep's message with, "It is with a truly heavy heart that we must confirm that Paul Walker passed away today in a tragic car accident while attending a charity event for his organization Reach Out Worldwide.

Read: 'Fast and Furious' Star Paul Walker Killed in Crash in Los Angeles

According to the statement, Walker, 40, was a passenger in a friend's car, and both were killed in the crash.

"We appreciate your patience as we too are stunned and saddened beyond belief by this news," the group's statement said. "Thank you for keeping his family and friends in your prayers during this very difficult time. We will do our best to keep you apprised on where to send condolences."

See: Paul Walker Through The Years

His "Fast and Furious" co-stars like Vin Diesel and Tyrese Gibson commented about the loss of their friend on Instagram.

"My heart is hurting so bad no one can make me believe this is real Father God I pray that you send clarity over this cause I just don't understand My heart hurts it's broken no one can convince me that this is real…. Prayer warriors please pray real hard for his only child, his daughter and family… #HeartOfAnAngel13YrsFamilyForeverWeJustCelebreatedYour40thBirthday….. My God… My God… I can't," an obviously shaken Gibson wrote next to a photo of him and Walker.

Ludacris also posted his own message on Instagram, "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."

Many other stars took to Twitter to share their condolences:

All my strength, love & faith to the Walker family during this heartbreaking time. We find our strength.. in his light. Love you brother.

— Dwayne Johnson (@TheRock) December 1, 2013

I just remember him as being so effortlessly golden. He had that way about him, that "thing"… #rippaulwalker #TeamPW

— James Van Der Beek (@vanderjames) December 1, 2013

No, @RealPaulWalker. No. No. No. Rest with the angels. You. Sweet boy. #beauty #love #RIP

— Alyssa Milano (@Alyssa_Milano) December 1, 2013

So sad to hear about Paul Walker. He was my hero when I was in my teens. Super nice guy… crazy.

— Frankie Muniz (@frankiemuniz) December 1, 2013

#paulwalker - much love to paul walker. So sad. He gave a lot of joy. http://t.co/MVsZUMvx9T

— James Franco (@JamesFrancoTV) December 1, 2013

#RIPPaulWalker -he was a lovely person -so sweet and grounded. My heart goes out to his family. pic.twitter.com/w8Ep7AcKOZ

— Jessica Alba (@jessicaalba) December 1, 2013

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

— olivia wilde (@oliviawilde) December 1, 2013

just hearing about Paul Walker. wow #RIP

— Kendall Jenner (@KendallJenner) December 1, 2013

So so sad about Paul Walker : (

— Lance Bass (@LanceBass) December 1, 2013

Rest in Peace Paul Walker!!!! You be missed my brother!!!! http://t.co/PkJZ0nCmHT

— AKON (@Akon) December 1, 2013

What horrible news #PaulWalker prayers go out to his family. You just never know…. Cherish each breath, it's a gift

— LeAnn Rimes Cibrian (@leannrimes) December 1, 2013

Omg Paul walker… rip

— JWOWW (@JENNIWOWW) December 1, 2013

My thoughts and prayers go out to the friends and family of #PaulWalker. What a shocking tragedy! Life is so fragile. #Humbled

— Jesse Metcalfe (@jessemetcalfe) December 1, 2013

My condolences to Paul Walker's family. Rest In Peace.

— Amber Patrice Riley (@MsAmberPRiley) December 1, 2013

RIP the hottest guy ever Paul Walker - Im crying

— Brandi Glanville (@BrandiGlanville) December 1, 2013

Paul was a truly good person in a town of questionable characters. ..A real life tragedy if there ever was one.

— Rachael Leigh Cook (@RachaelLCook) December 1, 2013

Shocked and stunned by the news of #PaulWalker. RIP. Far too young and far too sudden.

— Josh Gad (@joshgad) December 1, 2013

Shocked to hear @RealPaulWalker has passed away. SO SAD. R.I.P.

— Greg Grunberg (@greggrunberg) December 1, 2013

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

— Vanessa Lachey (@VanessaLachey) December 1, 2013

RIP Paul Walker,loved working with you on "Into the Blue". I Will miss you.

— Tyson Beckford (@TysonCBeckford) December 1, 2013

RIP Paul Walker. So sad! So young. Hate this happened! http://t.co/NmRflBFieu

— Tionne T-Boz Watkins (@TheRealTBOZ) December 1, 2013

It's hard to believe we have to say this. Rest in Peace, Paul Walker. You'll be missed.

— Golden Globe Awards (@goldenglobes) December 1, 2013

This is awful. Awful. #RIPPaulWalker pls pray for his family, friends & fans. We've lost a great, laid back, sweet, cool man & father

— Gabrielle Union (@itsgabrielleu) December 1, 2013