Hollywood mourns the passing of actress Hayden Panettiere, known for her roles in “Heroes,” “Nashville,” and the “Scream” series. She died at 36, confirmed by her representative to Fox News Digital. Her father, Skip Panettiere, expressed profound sadness, describing her as a vibrant presence in the lives of those who knew her and the millions who watched her performances.

Following her death, actors and friends shared poignant tributes on social media. Viola Davis, who acted with Panettiere in “Custody” (2016), praised her talent and wise presence. Davis recalled enjoying working with her and expressed sorrow over not having more time with the actress. She offered prayers for Panettiere’s family and daughter.

“One Tree Hill” actress Bethany Joy Lenz shared an emotional message, remembering their connection since childhood. Lenz recalled Panettiere’s perceptive nature and talent from an early age. Despite plans to reconnect, they mostly stayed in touch through mutual friends over the years.

I knew the wild little blonde. Was she nine? Ten? I was eighteen. Lenz wrote.

Lenz expressed disbelief at the news, noting that everything seemed to be improving for Panettiere. She shared regret over missed opportunities to connect and offered prayers for Panettiere’s daughter.

Other celebrities also reacted to the sad news. “Scream VI” co-star Melissa Barrera wrote a brief Instagram tribute. Selma Blair expressed emotional thoughts on Panettiere’s last Instagram post. David Arquette, a “Scream 4” co-star, shared his heartbreak, extending love to Panettiere’s family and remembering her as a brave and brilliant soul.

Rosie O’Donnell expressed shock and heartbreak in a brief Instagram comment. Podcaster Jay Shetty shared his disbelief, noting their recently formed friendship and a meaningful conversation earlier in the year.

The cause of Panettiere’s death remains undisclosed as of now.