According to Access Hollywood, Selma Blair is speaking out about her recent diagnosis.. The 46-year-old actress has shared an emotional post with her followers announcing that she was diagnosed with multiple sclerosis in August. Selma has decided to reveal the news of her diagnosis after a wardrobe fitting with costume designer Allisa Swanson for her new Netflix show, "Another Life." Selma says, "I hope to give some hope to others. I have probably had this incurable disease for 15 years at least."