Christina Applegate's ex-husband Johnathon Schaech applauded her appearance at the 75th Primetime Emmy Awards on Monday, which was met with a standing ovation amid her battle with multiple sclerosis. Christina Applegate's ex-husband Johnathon Schaech applauded her appearance at the 75th Primetime Emmy Awards on Monday, which was met with a standing ovation amid her battle with multiple sclerosis The 54-year-old …