Casting for a music video is no easy task, since you want to make sure you find the absolute best person to star alongside the main artist whose song is coming to life. Sometimes, totally random actors, models and even athletes end up with a super cool starring role in a music video, and seeing these celebs unlike you ever have before simply never gets old.
Click through the gallery to re-discover which random stars appeared in the music videos for some of your fave artists. Then tell us in the comments section below which of these surprised you the most!
Selena Gomez in the Jonas Brothers' video for "Burnin' Up"