Former "SNL" cast member Eddie Murphy will return to make his first appearance as "SNL" host since 1984 on Dec. 21. Murphy stars in and produces "Dolemite Is My Name," currently streaming on Netflix.
Lizzo will make her "SNL" musical guest debut. Earlier this year she released her acclaimed album, "Cuz I Love You," and just received eight Grammy Award nominations, becoming this year's most nominated artist.