James Gandolfini Dies at 51

James Gandolfini, Steven Van Zandt, Tony Sirico on “The Sopranos.”

James Gandolfini, the heavyweight actor who won multiple Emmy Awards for his role as mob boss Tony Soprano in the smash HBO series, died today.

HBO confirmed his death. He was 51.

Gandolfini suffered a heart attack in Italy. He was due to appear at the Taormina Film Festival in Sicily this weekend.

“It is with immense sorrow that we report our client James Gandolfini passed away today while on holiday in Rome, Italy,” said a statement from agents, Mark Armstrong and Nancy Sanders.

“Our hearts are shattered and we will miss him deeply. He and his family were part of our family for many years and we are all grieving,”

Gandolfini had battled drug and alcohol addiction, it was revealed during a divorce in 2002.