May 20, 2017. SNL season finale. Katy Perry’s on stage performing “Swish Swish.” Then out walks Russell Horning—aka the Backpack Kid—with his signature backpack, deadpan face, and the dance that would change everything: THE FLOSS. While Katy Perry was giving her all, this kid was STEALING THE SHOW with the most nonchalant energy ever recorded 💀 Within hours, the internet EXPLODED. The Floss became THE dance move of 2017. - Russell taught Katy Perry the dance backstage before the performance - T