Amy Winehouse, a 27-year-old controversial singer in London, was found dead in her house on Saturday and tributes are pouring in on Twitter and Facebook.

The cause of Winehouse's death still needs to be investigated further.

Winehouse possessed a unique and soulful voice, which helped her gain numerous awards, including the five Grammys (2006), the BRIT Award for Best British Female Artist (2007) and the Ivor Novello Award (2004, 2007, 2008).

In the whole of UK, Winehouse's album Back to Black was the third biggest seller of the 2000s.

Back to Black was released in October 2006 and went on to become No.1 in the UK and peaked at No.7 on the Billboard 200 in the United States. The album was certified five-times platinum by the British Phonographic Industry and it was the best-selling album of 2007 in the UK.

Start the slideshow to witness the triumphs and tragedies of this iconic singer.

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File photo of British singer Amy Winehouse performing at the Brit Awards at Earls Court in London
British singer Amy Winehouse performs at the Brit Awards at Earls Court in London in this February 20, 2008 file photo. reuters
Amy Winehouse
A wax sculpture of British singer Amy Winehouse is seen in this July 23, 2008 handout photo made available by Madame Tussauds London in central London. The sculpture of Winehouse was unveiled as the newest addition to their collection. REUTERS/Madame Tussauds London
Amy Winehouse
British singer Amy Winehouse winks during a cigarette break outside Westminster Magistrates Court in central London July 23, 2009. Winehouse arrived at a London court on Thursday to face a charge of assaulting a woman after a charity ball last year. REUTERS/Toby Melville
Amy Winehouse
British singer Amy Winehouse performs at the Mercury Music Awards ceremony in London. Reuters
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Singer Amy Winehouse performs during a concert in Sao Paulo January 15, 2011. REUTERS/Nacho Doce
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British singer Amy Winehouse performs at the 46664 concert in honour of Nelson Mandela in Hyde Park, London June 27, 2008. The event was organized to raise funds for Nelson Mandela's HIV/AIDS "46664" campaign, named after his prison number. Exactly 46,664 people were expected to attend the event, which also celebrates the former South African president's 90th birthday on July 18. REUTERS/Andrew Winning
Amy Winehouse
British singer Amy Winehouse leaves the City of Westminster Magistrates Court in central London March 17, 2009. Winehouse appeared in court on Tuesday and denied a charge of assaulting a woman after a charity ball in London last year. REUTERS/Andrew Parsons
Winehouse smokes a cigarette outside Westminster Magistrates Court in central London
British singer Amy Winehouse smokes a cigarette outside Westminster Magistrates Court in central London July 23, 2009 Reuters
British singer Amy Winehouse leaves Westminster Magistrates Court in London July 23, 2009
British singer Amy Winehouse leaves Westminster Magistrates Court in London July 23, 2009 Reuters
British singer Amy Winehouse arrives at the City of Westminster Magistrates Court in central London March 17, 2009
British singer Amy Winehouse arrives at the City of Westminster Magistrates Court in central London March 17, 2009 Reuters
British singer Amy Winehouse performs during the quotRock in Rioquot music festival in Arganda del Rey, near Madrid July 4, 2008
British singer Amy Winehouse performs during the "Rock in Rio" music festival in Arganda del Rey, near Madrid July 4, 2008 Reuters
British singer Amy Winehouse performs at the Glastonbury Festival 2008 in Somerset in south west England June 28, 2008
British singer Amy Winehouse performs at the Glastonbury Festival 2008 in Somerset in south west England June 28, 2008 Reuters
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