The NBC sketch comedy series closed out its landmark 50th season with the 'Eleanor the Great' director as host and the "Tití Me Preguntó" singer as the night's musical guest.

In a pitch-perfect sendup of Saturday Night Live‘s historic Season 50, Scarlett Johansson ushered in the finale episode surrounded by the late-night show’s cast, singing a rendition of Billy Joel’s “Piano Man” dedicated to opening monologues themselves.

Oscar-winning actress Scarlett Johansson guest hosted the milestone 50th season of NBC's sketch-comedy series, Saturday Night Live, this weekend. Her opening monologue turned into a cast sing-a-long about the ups and downs of working on the show -- where Johansson's husband Colin Jost is a writer and "Weekend Update" co-anchor -- set to the tune of Billy Joel's classic song,