Céline Dion is sharing her personal journey in her fight against stiff-person-syndrome. In her captivating new Prime Video documentary, “I Am: Céline Dion,” the iconic singer shares intimate details about her experience living with a rare autoimmune neurological condition, providing a heartfelt chronicle of her life.

In a particularly vulnerable moment, the 56-year-old experiences a sudden medical incident while undergoing physical therapy, which is captured on camera. As Céline’s physical therapist and another member of her team assist her, she can be heard expressing her pain through loud cries while she communicates with them by tightly gripping their hands. She slowly gets back in control after getting nasal spray. Her PT tells her that it’s likely that she was “overstimulated” by the excitement of singing earlier, but he also reassures her that this is not the end of her journey.

The scene concludes with a captivating moment of the icon delivering a breathtaking performance, showcasing her timeless talent.