The lack of knowledge, in her opinion, stems from not many people talking about their experiences as caregivers and how certain situations can act as triggers.

Bruce Willis' family announced in a statement released in February that he was diagnosed with frontotemporal dementia.

Earlier in March, Emma opened up about how difficult it is to celebrate milestones like birthdays and anniversaries after Willis' diagnosis, writing it is hard "when usually our person would acknowledge the event, now their changing brains just can’t.

Moore posted a series of photos from the celebration as well as a video of them presenting Willis with an apple pie while singing him "Happy Birthday."

Willis' frontotemporal dementia diagnosis, known as FTD, came one year after it was announced he was diagnosed with aphasia, a neurological disorder that affects an individual's ability to comprehend or express speech.

Lori Bashian is an entertainment production assistant for Fox News Digital.