Shocked Stars Tweet Over Death Of Amy Winehouse

Rihanna, Kelly Osbourne, Marlon Wayans -- Getty Images

Following the tragic news of Amy Winehouse's untimely death, fellow musicians, celebrities and fans immediately took to Twitter on Saturday to mourn the 27-year-old British singer.

Here's what they had to say:

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Rihanna:
"Dear God have mercy!!! I am SICK about this right now! #DearAmy
I am genuinely heartbroken about this"

Kelly Osbourne:
"i cant even breath right my now im crying so hard i just lost 1 of my best friends. i love you forever Amy & will never forget the real you!"

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Marlon Wayans:
"Wow amy winehouse dead? & On my bday. Sad, just sad. World lost a great artist. Makes us hav 2 appreciate life... Sober *puts drink down.
My prayers go out to her Amy and her loved ones. I pray for the peace of the tormented living. Hopefully her rest is peaceful."

Michelle Rodriguez:
"Can't believe amy winehouse is found dead in london, drug addiction is so awful"

Rob Thomas:
"R.I.P. AMY WINEHOUSE. wow. just wow.
so many people saying that because it's not a surprise that amy winehouse passed, it's not sad. i hope you have more compassion for friends."

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Juliette Lewis:
I"'m so upset that Amy didnt make it out of the prison that is drugs/alcohol addiction.She was such a funny and unique soul.I'm so sad rghtNow"

Bryan Adams:
"Dear Amy, you will be missed forever. All my love, RIP, Bryan"

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Chely Wright:
"Hey everybody, drugs aren't cool. They never have been and they never will be. If you don't want to be addicted to drugs, don't try them."

Michelle Branch:
"So gutted to hear about Amy Winehouse. I was just listening to her last night and we were talking about how we hoped she would get well. RIP"

Fred Savage:
"Hug and thank everyone in your life who loves u enough to not let u end up like Amy Winehouse. RIP Amy, I wish someone would have helped."

Demi Lovato:
"Amy Winehouse.. So sad. Unfortunately the world lost an incredibly talented woman to such a powerful disease... addiction. #RIP"

Christina Applegate:
"Saddened by the demise of Amy Winehouse As we all watched her slowly die all these years..#drugssuck"

Lance Bass:
"Another talent dies at 27- RIP - Amy Winehouse."

Nia Vardalos:
"Here too briefly, RIP Amy Winehouse."

Chloe Moretz:
"Amy Winehouse #RIP you made amazing music and we'll all miss you so much"

Alyssa Milano:
"Tragic. Rest in peace, Amy Winehouse."

Haley Williams (Paramore):
"Just read about Amy Winehouse. Can't believe it. She'll never truly be gone cause have you heard that voice? Rest In Peace Amy."

Jenna Ushkowitz:
"RIP Amy Winehouse, so very talented and so sad."

Jordin Sparks:
"Amy Winehouse. :("

Craig Robinson:
"R.I.P. Amy Winehouse"

Karina Smirnoff:
"So sad about Amy Winehouse, such an amazing voice and talent, too young, my prayers and thoughts are with her loved ones."

Khloe Kardashian:
"Wow! I just heard about Amy Winehouse passing away! Wow! So sad :( what an amazing talent."

Melissa J Hart:
"RIP. So sad to lose such a talent"

Pete Wentz:
"super sad to hear about the news. RIP. never take life for granted."

Amber Riley:
"My friends and I were having an Amy Winehouse listening session last night. Shed a tear this morning, so young and very talented. RIP Amy"

Nicki Minaj:
"Please tell me Amy Winehouse didn't die. Is this some sick joke?"

Heavy D
"YOU MADE A DIFFERENCE... RIP..AMY WINEHOUSE."

Lily Allen:
"Its just beyond sad, there's nothing else to say. She was such a lost soul, may she rest in peace."

Ashton Kutcher:
"Rip amy winehouse
I nevr know wht 2 post after paying respect 2 sum1 who died. Just seems lk anything funny is inappropriate. mayB I'll just go C HarryPotter"

Zachary Quinto:
"profoundly sad news to wake up to. i hope amy winehouse has found some peace."

Kevin McHale:
"you'll be missed, Amy Winehouse. too young."

Brittany Snow:
"I don't feel quite right "tweeting" about death. But I do know addiction should never be silenced. There IS help. Ur never alone #ripAmy"

Harry Shum Jr.:
"I am in shock....RIP Amy Winehouse."

Natalie Maines:
"I am so sad. R.I.P. Amy Winehouse."

Alec Baldwin:
"Amy Winehouse. How sad."

OneRepublic:
"R.I.P Amy Winehouse- what a tragic waste."

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