British rock-star Amy Winehouse was found dead in her home on Saturday, according to officials, sending an outpouring of condolences and prayer from stars the world over.

Despite the young singer's public struggle with drugs and alcohol, Winehouse's death has shocked her fans and the celebrity community, prompting an outpouring of condolences on Twitter.

Dear God have mercy!!! I am SICK about this right now! #DearAmy, tweeted U.S. pop-star Rihanna.

So sad about Amy Winehouse -she was so talented. Really tragic, said Hollywood A-Lister Jessica Alba.

Emergency officials found the body of the 27 year old in her north London property around 3:54 p.m. sources told the BBC.

The Back To Black artist's death is being treated as unexplained.

Just heard a report amy winehouse has died. If true, such a waste of a great talent, said CNN's Anderson Cooper.

Truly sad news about Amy Winehouse. My heart goes out to her family. May her troubled soul find peace, added Demi Moore.

The singer and songwriter who shot to fame with Rehab, won five Grammy Awards and sold more than 5 million albums though her career.