CĂ©line Dion, 56, Shares Harrowing Footage Of Herself Suffering A Ten-Minute 'Crisis' Seizure

Flushed, tearful, wailing in pain and unable to control her own body, Céline Dion endures an agonising ten-minute seizure in new scenes from her new documentary that lays bare her battle with Stiff Person Syndrome (SPS).

The Canadian singer is seen gasping for breath as medical professionals desperately attempt to alleviate her painful muscle spasms while a camera crew quietly films the ordeal.