John Mulaney hosts for the sixth time on Nov. 2. The Emmy winner stars in the new Broadway play, "All In: Comedy About Love," opening Dec. 11.
Chappell Roan makes her musical guest debut. Her album, "The Rise and Fall of a Midwest Princess," has spent nine weeks in the Top 5 on the Billboard 200, and her latest single, "Good Luck, Babe!," has amassed nearly 1 billion streams.