They've all jammed with their own bands--and some of them actually aren't half bad!
In fact, this weekend the Environmental Media Awards have invited eco-hottie Malin Akerman and her musical pals, The Petalstones, to perform live on their stage this weekend at Hollywood's greenest gala! (Also, she's hosting and we're livestreaming so you don't have to miss any of it.)
So, which other celebs were once "with the band"?
Check out the full gallery of stars with bands and tell us who you'll be adding to your playlist!