December 8, 2022 3:22 pm What Is Stiff-Person Syndrome? The condition is one that has forced singer Céline Dion to cancel shows. What is the neurological disorder, and how common is it? US & World Videos 3:29 Woman accidentally invites entire phone contact list to daughter's first birthday party 1:38 John Krasinski says George Clooney inspired him to be a director 3:34 Julianne Hough calls Derek Hough's wife Hayley Erbert ‘incredible' in heartfelt update 17:01 Chris Pine and Kelly Clarkson answer personal questions in ‘saucy' new game 8:10 Letitia Wright reveals her dream cast for potential ‘Black Panther 3' (exclusive)