Willis was diagnosed first with aphasia -- a condition where the brain's ability to understand or express language is impaired, according to the National Institutes of Health -- in 2022 before receiving an additional diagnosis of frontotemporal dementia in 2023, according to his family.

In what’s believed to be his first public sighting since retiring from acting, Bruce Willis made sure to thank first responders battling the blazes in Los Angeles.

Bruce Willis retired from acting in 2022 and was then diagnosed with frontotemporal dementia. He's rarely been seen in public since then.