These celebs came forward with surprising medical diagnoses. In 2022, Billie Eilish talked to David Letterman about having the neurological disorder Tourette Syndrome. In 2021, Christina Applegate shared on social media that she had multiple sclerosis. In 2022, Grammy winner Justin Bieber revealed he had Ramsay Hunt Syndrome and half his face was temporarily paralyzed. Inside Edition Digital’s Andrea Swindall has more.