Martin Short is opening up publicly for the first time about the devastating loss of his daughter, Katherine Short — and the emotional interview is leaving fans heartbroken.

The beloved comedian and actor described the tragedy as “a nightmare for the family” while speaking candidly about Katherine’s longtime struggles with severe mental health challenges. According to Short, his daughter battled borderline personality disorder and other issues for years before her death earlier this year at age 42.

During the emotional conversation, Short compared mental illness to physical diseases such as cancer, explaining that both can sometimes become terminal despite years of fighting and treatment. He also referenced the painful loss of his late wife, Nancy Dolman, who died from ovarian cancer in 2010.

Katherine, a licensed social worker, reportedly dedicated much of her life to helping others while privately dealing with her own mental health struggles. Friends and neighbors described her as kind, warm and compassionate, though often very private.

The tragedy has drawn enormous sympathy online, with many fans praising Martin Short for speaking openly about mental health and grief despite the unimaginable pain his family is facing.

Over the years, Short has endured multiple heartbreaking losses, including the deaths of his brother, mother, father and wife. In his recent interview, he admitted those experiences shaped the way he now views grief, survival and family.

The emotional discussion comes just as Martin prepares for the release of his new documentary Marty, Life Is Short, where he reportedly reflects on both his legendary comedy career and the personal tragedies that changed his life forever.

Fans across social media are now sending support to the actor and his family, with many calling the interview one of the most heartbreaking celebrity moments of the year. 💔