After a summer of shakeups, Saturday Night Live has finally announced its first season 42 host! Margot Robbie , who starred as Harley Quinn in this summer's Suicide Squad , will take on hosting duties next weekend, and will be joined by musical guest The Weeknd . He previously performed on Amy Schumer's episode last year, and just announced the release of his new album, Starboy , which comes out November 25. 14 Superstars You Probably Forgot Got Their Start on Saturday Night Live The cast and writing staff of SNL went through quite a few changes this summer. This content is available customized for our international audience. Would you like to view this in our US edition?