'Malcolm in the Middle' Star Frankie Muniz Honors Late Actress Hayden Panettiere

Frankie Muniz, the star of the beloved sitcom 'Malcolm in the Middle,' has shared a heartfelt tribute to his former co-star Hayden Panettiere, following the news of her passing at 36. Muniz took to Instagram to express his grief and honor the actress.

"Very sad to hear about Hayden," Muniz wrote in his post, accompanying it with a photograph of them together. "I had the opportunity to work with her on many projects and always had a great time by her side. I have so many wonderful stories and memories with her. I hope she rests in peace."

Panettiere portrayed the character Jessica in 'Malcolm in the Middle,' appearing in four episodes between 2003 and 2005. Her character was known for her sharp, manipulative, and sarcastic demeanor, often interacting with Malcolm and Reese. Panettiere was between 14 and 16 years old during her time on the show, contributing a comedic and bold style that fans, including Muniz, remember fondly as a highlight of her early career.

The actress's death was confirmed on August 16, 2026. Authorities in Greenville, South Carolina, are awaiting official autopsy results to determine the exact cause of death. While initial reports mentioned terms like overdose and cardiac arrest, law enforcement has preliminarily ruled out foul play.

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Very sad to hear about Hayden. I had the opportunity to work with her on many projects and always had a great time by her side. I have so many wonderful stories and memories with her. I hope she rests in peace.