Celine Dion’s sister, Claudette, has confirmed the “My Heart Will Go On” singer no longer has control over her muscles as she continues to battle stiff-person syndrome. The rare autoimmune neurological disorder causes muscle stiffness and spasms, which can also affect vision and speech. Celine shared the diagnosis with her followers on Instagram in 2022 following months of experiencing mysterious symptoms. “She’s working hard, but she doesn’t have control over her muscles,” Claudette explained to a news outlet. “What breaks my heart is that she’s always been disciplined. She’s always worked ha…
