Comedy News TV Videos ‘Saturday Night Live’ promo with Louis C.K. and Sam Smith Written by Lena Lamoray on March 29, 2014 Louis C.K. hosts Saturday Night Live with musical guest Sam Smith tonight on NBC. Check out the preview below and don’t miss the star of Louie in action. SNL Promo: Louis C.K. and Sam Smith Related posts:Lady Gaga 'Saturday Night Live' promoSNL promo with host Jonah Hill and musical guest Bastille'SNL' highlights: Dwayne Johnson and musical guest George Ezra