CNN —Celine Dion’s sister has shared an update while the “Heart Will Go On” singer deals with a rare health issue. “She’s doing everything to recover,” Dion’s older sister Claudette told Hello! “She’s a strong woman.”The Grammy-winner’s family is rallying around her as she battles Stiff Person’s Syndrome, a rare disorder that causes involuntary muscle spasms. “It’s an illness we know so little about,” Claudette said. “There are spasms – they’re impossible to control.

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Persons: Celine Dion’s, “, Claudette, ”, ” Claudette, ” Dion, Priyanka Chopra, Dion Organizations: CNN Locations: Canada, Las Vegas