Celebrities With Rare DiseasesJanvi SinghCelebrities With Rare DiseasesDiagnosed with Myasthenia Gravis.Amitabh BachchanHrithik Roshan Diagnosed with Scoliosis.Lisa RayDiagnosed with Multiple Myeloma.Selena GomezDiagnosed with LupusLady GagaDiagnosed with FibromyalgiaMichael J. FoxDiagnosed with Parkinson's diseasePete DavidsonDiagnosed with Crohn's disease