A host of celebrities and friends have been paying tribute to Amy Winehouse, after the British soul-jazz diva was found dead in her London flat on Saturday. The cause of her death remains unknown. The 27 year old star won a myriad of awards including 5 grammies for her music and had been hailed as one of the most talanted singers of her age. But her success was often overshadowed by a well documented battle with drugs and alcohol. Last month she cancelled her European tour after being booed off stage during a performance in Serbia.

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