"A voice that was filled with such power and pain that it was at once entirely human yet laced with the divine" – that's how longtime pal Russell Brand described the British soul icon's undisputed talent. Achieving international fame after sweeping the 2008 Grammys with her breakthrough album Back to Black, Winehouse's musical acclaim was marred by her ongoing battle with drugs and alcohol addiction. The 27-year-old singer was found dead in her London on July 23, the result of accidental alcohol poisoning.