Christina Applegate reveals MS conversation with Selma Blair l GMA

The actress revealed to British Vogue the moment her co-star from "The Sweetest Thing" encouraged her to get tested for the disease. SUBSCRIBE: https://bit.ly/2Zq0dU5 SIGN UP to get the daily GMA Wake-Up Newsletter: https://gma.abc/2Vzcd5j VISIT GMA: https://www.goodmorningamerica.com FOLLOW: TikTok:   / gma   Instagram:   / goodmorningamerica   Facebook:   / goodmorningamerica   Twitter:   / gma   #selmablair #christinaapplegate #ms #multiplesclerosis #health #gma