Amazing camera trickery allows Billie Eilish to perform Bad Guy “upside-down” on SNL

When the 17-year-old pop phenom started walking on the walls and then the ceiling of the stage-within-a-stage, audience members lost their minds. At the conclusion, before the commercial break, the camera briefly panned out to reveal Eilish inside the “SNL” diorama while her band played on the Studio 8H stage.

Check out the performance below.