by Mychal ThompsonBuzzFeedBuzzFeed StaffIf you must know, I based my entire personality on Seasons 2-5 of "Girls," and I'm a huge gamer. Ryan Gosling hosted Saturday Night Live alongside musical guest Gorillaz, and an unsuspected surprise cameo stole the show and went viral. NBC / Rosalind O'Connor/NBC via Getty Images On the March 7 episode of SNL, Ryan took the stage to deliver his opening monologue when suddenly he noticed somebody in the audience - Harry Styles! NBC Without warning, the camera quickly panned to the three-time Grammy winner, and the live audience went wild.