Demi Moore and Bruce Willis' daughter, Tallulah, shared some devastating news with her fans on Friday, when she confirmed her beloved dog has kidney disease. The star, 27, wrote a heartbreaking post on Instagram detailing the diagnosis of her pet.MORE: Demi Moore's changed appearance at Paris Fashion Week gets fans talkingWearing a facemask and an Elvis T-shirt in the photo, Tallulah donned an understandably sullen expression as she wrote: "Today hurt.