Lopez will host Saturday Night Live for the third time on Dec. 7, joined by musical guest DaBaby. Lopez previously hosted in 2001 and 2010 (and was a musical guest in 2000). Johansson will host for the sixth time -- and for the first time since getting engaged to Colin Jost -- on Dec. 14. She'll be joined by musical guest Niall Horan. Johansson previously hosted in 2006, 2007, 2010, 2016 and 2017. Murphy, whose Dec. 21 hosting stint was announced way back in August, will be joined by musical guest Lizzo, who earned the most 2019 Grammy nominations this morning.