Emma Heming Willis on Wednesday shut down reports that Bruce Willis’ ex-wife Demi Moore had moved in with the couple following his dementia diagnosis. "Let's nip this one in the bud.This is so dumb. Please stop," Heming, 44, wrote on her Instagram story.The debunked headline read: "Demi Moore 'Moved In' With Ex Bruce Willis & His Wife To Help Care For Him After Heartbreaking Dementia Diagnosis: Source." The "Die Hard" actor has been diagnosed with frontotemporal dementia (FTD), his family announced last month, which is a disorder that can affect behavior, personality, language and movement.