Five impactful moments in Celine Dion's new documentary 'I Am'

Singer Celine Dion is seen in a still image handout from the film "I Am: Celine Dion". THE CANADIAN PRESS/HO-Amazon MGM Studios, *MANDATORY CREDIT*

TORONTO - Celine Dion has bared her soul on stage for most of her life, but her new documentary reveals a previously unseen side of the famed Québécois singer.

Amid her struggle with stiff person syndrome, "I Am: Celine Dion" offers an unflinching look at the 56-year-old's private life as she manages the rare neurological disorder that can cause muscle rigidity and severe spasms, as well as affect her ability to perform.

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