‘SNL’: Ariana Grande to Host With Cher as Musical Guest; Plus Josh O’Connor and Lily Allen

Ariana Grande is returning to “Saturday Night Live” on Dec. 20 for her third stint as host. She’ll be joined by musical guest Cher, who will take the Studio 8H stage for the first time since her “SNL” debut in 1987. The week before, on Dec. 13, Josh O’Connor will make his “SNL” hosting debut […]