In the age of podcasts and streaming, it's easy to forget where it all began: the radio. It may not be fashionable, but it's definitely still there, and some would even argue it's making a comeback.
When it comes to availability of content, the same goes for radio as it does for television and streaming: there is a wealth of stuff out there to choose from. Some of it's good, some of it's bad, and some of it's presented by stars.
Check out this gallery to find out which celebs, at one point or another, have hosted a program on the air.