Police officers stand guard outside a house in north London on July 24, 2011, where the body of pop star Amy Winehouse was found the previous day. The Fans and fellow stars mourned Amy Winehouse today after the troubled British singer, who immortalised her struggles with addiction in the hit "Rehab", was found dead at her London home aged 27. Reports said the Grammy award-winning soul diva, with her trademark beehive hairstyle, had overdosed on drugs but police refused to speculate on the cause of her death on July 23, saying it remained unexplained. AFP PHOTO/CARL COURT