Christina Applegate Says She's Been Living 'In Hell' Since MS Diagnosis

Christina Applegate opens up about her multiple sclerosis diagnosis in a preview for an upcoming sit-down interview with Robin Roberts on 'Good Morning America.' The actress reflects on how much her life has changed since she began her years-long battle with the autoimmune disease. She admits, 'I live kind of in hell. I'm not out a lot, so this is a little difficult just for my system.' Christina's full interview with Robin airs Wednesday on ABC.