Celine Dion's career has been marked by immense dedication, including numerous tours and residencies since 2003.

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During her career, Dion developed stiff-person syndrome, a rare neurological disorder affecting her voice and muscles.

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Initially, she noticed her voice behaving unusually after shows, which worsened over time despite her continuing performances.

Dion coped with her declining vocal abilities by engaging the audience to sing during performances.

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Despite her health challenges, she persisted with her career, maintaining a dynamic stage presence reminiscent of Elvis.

Over 17 years, Dion endured worsening symptoms including muscle spasms and eventually seizures.

By 2020, her condition had severely deteriorated, impacting her mobility to the point where she could barely walk.

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The documentary "I Am: Celine Dion" premiered at Lincoln Center, drawing a diverse audience including fans and press.

Directed by Irene Taylor and co-produced by Dion's company, the film explores both her public persona and her private struggles with illness.

The documentary portrays Dion not only as a global music icon but also as a resilient figure battling chronic illness, presenting a new perspective on her legendary career.