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.

Bruce Willis has made a rare public appearance in Los Angeles, where the wildfires have so far claimed the lives of 27 people, and the Hollywood icon was seen showing his appreciation to first respond

Bruce Willis recently made a rare public appearance to thank first responders amid the Los Angeles wildfires, marking his first regular sighting since his 2022 aphasia diagnosis, which was later confirmed as frontotemporal dementia (FTD).