Hayden Panettiere: Ex Wladimir Klitschko says family is in ‘profound shock and grief’ BBCHayden Panettiere’s Ex-Fiancé Wladimir Klitschko Speaks Out After Her Death People.comHayden Panettiere, ‘Heroes’ actress, dead at 36 after 911 call for cardiac arrest, South Carolina coroner says CNNActor Hayden Panettiere, known for roles in ‘Heroes’ and ‘Nashville,’ dies at 36 NBC NewsHayden Panettiere Co-Star Says He Could Tell She Was ‘Struggling’ on Final Set Yahoo