Celine Dion performs at Cotai Strip Cotai Arena on June 29, 2018 in Macau, China.
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- Celine Dion opens up about her struggle with Stiff Person Syndrome in her new Amazon Prime documentary.
- Dion says she tried to perform through pain by increasing her medication dosages, especially Valium.
- "I don't want dramatic, but I could've died," Dion reveals. "Too many pills. The show must go on."
Celine Dion breaks down in tears in her new Amazon Prime documentary...