Saturday Night Live · season 44, episode 859 · Saturday, December 15, 2018 Host: Matt Damon (2nd time). Musical guest: Mark Ronson & Miley Cyrus. • Mark Ronson and Miley Cyrus perform "Nothing Breaks Like a Heart" and a cover of "Happy Xmas (War Is Over)". For the latter song, Ronson and Cyrus are joined by Sean Lennon, son of original artists John Lennon and Yoko Ono. • In a break with tradition in which the host introduces the musical guests, Pete Davidson introduces Ronson and Cyrus's second performance. It was Davidson's only live appearance on the show (though he did appear in one pre-recorded sketch). Earlier in the day, a post on Davidson's Instagram sparked public concern that he was suicidal. • Alec Baldwin, Robert De Niro, and Ben Stiller appear as Donald Trump, Robert Mueller, and Michael Cohen, respectively, in the cold open. Additionally, Baldwin appears in "Cop Christmas". • This episode attracted negative reactions from Donald Trump, both when the episode originally broadcast, as well as when the episode rebroadcast on March 16, 2019. Wiki link