Actress Hayden Panettiere, known for her roles in 'Heroes', 'Scream' and 'Nashville', has passed away at the age of 36, announced her father. The cause of her death hasn't been revealed. Hayden leaves behind her 11-year-old daughter, whom she shares with her ex-partner Wladimir Klitschko, the former Ukrainian heavyweight boxing champion. She had earned two Golden Globe nominations for 'Nashville'.