Between 1977 and 1979, SNL got a name change and dropped the cast's Not Ready for Prime Time Players moniker—and added the show's first featured players.
McConaughey's got his tight pants on in the Tonight Show sketch with Jimmy Fallon, following in Will Ferrell and Jennifer Lopez's white-booted footsteps.
"It's like a paid mom's vacation away," Mean Girls' Fey told her former "Weekend Update" co-anchor Jimmy Fallon, providing a very funny update on her Restless Leg Tour with Amy Poehler.
Dua Lipa returned Seth Meyers' "shacket" in a Late Night visit—this time, they kept it to just one shot (luged through a Barbie Dream House) and got matching tattoos.