Following the sudden death of Hayden Panettiere, fellow industry notables are taking to social media to pay tribute to the actress. Panettiere’s rep told ABC News on Sunday that she died at age 36. “It is with profound sadness that we share the tragic passing of our beloved Hayden,” the rep wrote in a statement. “She was an incredible light and a force of nature who brought immeasurable love and joy to all who knew her — and to the millions who watched her onscreen.” Her cause of death wasn’t immediately available. Panettiere, who got candid about her postpartum depression and alcohol and opioid addiction in her memoir This Is Me: A…