Oscar nominee Irene Taylor says she "panicked" a bit when she was asked to make a documentary on a celebrity as popular as Celine Dion, but she agreed to come on board after she got to know the singer personally. According to the makers, I Am: Celine Dion is a raw and honest behind-the-scenes look at the iconic superstar's struggle with the life-altering illness which has affected her singing. I Am: Celine Dion, is a moving portrait about the era-defining musician braving a rare autoimmune neurological disorder called the Stiff-Person Syndrome (SPS). It started streaming on Prime Video from Tuesday.