Celine Dion is seen in the midst of a scary seizure in one of the most disturbing sequences from her highly-watched Amazon Prime documentary.
Stiff Person Syndrome is an uncommon and persistent neurological condition that causes her body to be inflexible and afflicted with painful spasms.
You can hear that lovely voice, known to millions across the globe, lamenting in misery.
No better way to kick off the Paris Olympics than with a performance by the 56-year-old singer, who has battled back from illness two years ago with the same tenacity and perseverance as any elite athlete.
There had been widespread concern that one of the world’s most renowned singers may have her career cut short by her incurable autoimmune condition.
But her triumphant return to the stage at Friday night’s opening ceremony in the French capital put an end to those anxieties.