Christina Applegate's "treacherous" battle with MS has left pals fearing the worst, according to new claims. Wonderwall.com can reveal the actress' closest confidants are becoming increasingly worried about her well-being, amid reports she's been hospitalized since the end of March. Friends are being 'realistic' Christina Applegate is a 'fighter,' but her condition is 'hellish,' pals say. By: MEGA The 54-year-old recently revealed MS left her bedridden, but now pals are becoming even more concerned about whether or not she'll be able to continue fighting the "hellish" illness.