In just 13 days, Justin Bieber will be on the season premiere of CSI, the first of a two CSI episodes with him in it.
SEE IT: Preview of Justin Bieber on CSI
Justin, who is a huge fan of the show, gave his fans a backstage pass to what when down while he was filming:
Do you like Justin better as a singer or actor?
Photo: Courtesy of Sonja Flemming/CBS