Music superstar Céline Dion opens up to PEOPLE in an emotional cover story about her decades-long battle with the rare autoimmune and neurological disease Stiff-person Syndrome, finding strength in her three sons (with late husband René Angélil) and how she's fighting to get back onstage two years after her diagnosis.
https://people.com/celine-dion-sons-fuel-her-fight-stiff-person-syndrom…