Celine Dion’s health has significantly deteriorated, as revealed by sad updates from her family regarding the rare neurological disorder she has been suffering from. The Queen of Power Ballads’ sister, Claudette Dion, shared the heartbreaking news, shedding light on Celine’s debilitating stiff person syndrome (SPS). In a French-language interview with Canadian outlet 7 Jours, Claudette said: “She’s working hard, but she doesn’t have control over her muscles. What pains me is that she has always been disciplined.