As soon as the tragic news of Amy Winehouse's death surfaced, musicians rushed to pay tribute to the singer. 'Back To Black' producer Mark Ronson said: "She was my musical soulmate and like a sister to me. This is one of the saddest days of my life." We've rounded up a few more of the most moving tributes.
"Its just beyond sad, there's nothing else to say. She was such a lost soul, may she rest in peace." (Lily Allen)
"She was an extraordinary musician with a rare intuition as a vocalist and I am truly devastated that her exceptional talent and has come to such an early end. She was a lovely and intelligent person and when we recorded together she gave a soulful and ¬extraordinary performance." (Tony Bennett)
"(She had) a voice that was filled with such power and pain that it was at once entirely human yet laced with the divine. My ears, my mouth, my heart and mind all instantly opened." (Russell Brand)
"I'm totally devastated... Amy was my inspiration." (Dionne Bromfield)
"One of the most seminal artists this country has ever produced." (Sir Elton John)
"Very Very Sad Day. Just lost a Great Friend and a Sister. RIP my baby SiS Cherry Winehouse. Love ya always." ('Back To Black' producer Salaam Remi)
"I can't even breath right now. I'm crying so hard, I just lost one of my best friends. I love you forever Amy & will never forget the real you." (Kelly Osbourne)
“It’s a very sad loss of a very good friend I spent many great times with. We feel privileged to have known her and we will sorely miss her.” (Ronnie Wood)
"i recorded this song B4 vickileekx and never put it out. its a unfinished demo. R.I.P A.M.Y." (MIA who posted song '27' in her honour. The track began with the lyric "Said you’re all mouth and no brains/ All rock stars go to heaven/ You said you’ll be dead at 27/ When we drunk in a English tavern.")
“Tragic, tragic waste. The addictive force is so, so, so, so strong. There but by the grace of God go I. She was clearly trapped here and had to go home.” (Robbie Williams)
"She was just a really true artist. You could tell that it was real. With some people, you’re not sure, but with her, it’s just undeniable that she was. I feel really shocked and sad about the news. It’s such a shame. I was really looking forward to hearing her come back with an amazing album and silencing all these people that were saying she wasn’t going to do anything more." (Anna Calvi)
“Amy changed pop music forever, I remember knowing there was hope, and feeling not alone because of her. She lived jazz, she lived the blues.” (Lady Gaga)
"We are very sad to have lost Amy Winehouse today. She was one of a kind and we were fortunate to have had the chance to make music with her. She was always gracious and a pleasure to work with in the studio and on the road. It is a tragedy that she was taken from us so soon when she had much more music to give." (Sharon Jones & The Dap Kings)
“I’m not even going to say, ‘Waste of glorious sublime talent,’ which I feel.” (Courtney Love)
"Please someone tell me the news about Amy Winehouse isn't true. Devastated. I spent extraordinary times with Amy. She sang for me once for hours, it was the most beautiful& touching thing. A huge loss. She was the closet thing we have ever had to Billie Holiday, she was a true soulful talent. I'm so sad. I hope she is at peace." (Dita Von Teese)
"RIP Amy Winehouse. May she finally find peace." (Katy Perry)
"Please tell me Amy Winehouse didn't die. Is this some sick joke?"(Nicki Minaj)
"I cannot contain my sadness and my anger about Amy Winehouse. Rest in peace child, it is a deeply sad day for many reasons!" (Boy George)
"RIP Amy Winehouse. You gave the world something its never heard before. Thank you for being a true inspiration." (Bruno Mars)
"I shared some wonderful musical moments with Amy. I feel very lucky to have done so. She was a wonderful person with an extraordinary talent." (Jamie Cullum).
"Kurt Cobain, Janis Joplin, Jim Morrison, Jimi Hendrix and now Amy Winehouse. All died aged 27. RIP to you all." (Big Boi).
"I am genuinely heartbroken about this #DearAmy." (Rihanna).
“What a waste of a gifted person. What a shame she saw no hope and continued living her life in that manor (sic). I have been that low emotionally and mentally and that is overwhelming." (Kelly Clarkson).
“She had talent to burn, not because she burnt it.” (The Guardian's Alexis Petridis).
"Rest in peace Amy Winehouse. I hope the after life brings u the piece u were searching 4 on earth. Love MJB." (Mary J.Blige).
"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." (Paramore's Hayley Williams).
"The tragic loss of Amy Winehouse has robbed us of a young, if fatally troubled, life cut down in its prime. It has also cheated British music of a talent, at 27, whose best years surely still lay ahead." (Daily Mail's Adrian Thrills).
"Heart is heavy. My heart goes out 2 Amy Winehouse's family, loved ones. Praying for their strength during this time." (Janelle Monae).
"I'm seriously crying right now...never knew the effect she had in me till she was gone" and "she was a living legend. Most legends you look back on and say that was legendary but she was a legend while living." (Black Lips's Cole Alexander).