Hayden Panettiere's sudden death sparks emotional tributes from celebrities

Actress Hayden Panettiere died on Sunday, August 16, at age 36. Paramedics responded to a 911 call at her South Carolina residence, where she was found in cardiac arrest. Despite advanced cardiac life support measures, resuscitation efforts were unsuccessful, and the official cause of death remains under investigation. Heartbroken celebrities and former costars have shared emotional tributes, while Blake Lively urged the public to be kind following the sudden passing of the actress.