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 emerges in his first public appearance since his diagnosis of FTD to show his support for first responders in Southern California.

The iconic actor, in the midst of a dementia diagnosis, took time to visit first responders battling the Los Angeles wildfires in a rare new video.