13. Zooey Deschanel
For over a decade, Zooey Deschanel has been performing a valuable public service by being the world's ultimate manic pixie dream girl. It's a tough job, but somebody's got to do it. And part of that responsibility includes playing the ukulele, having the voice of an angel, singing adorable songs adorably with Joseph Gordon-Levitt, and uploading them on Youtube. Although she's much more well-known as an actor than as a singer, she's never shied away from singing in any of her roles. You can see Zooey singing pretty much every week on New Girl, and she also performed the role of Lady Larkin in Once Upon a Mattress with Matthew Morrison and Carol Burnett. And of course, there's her indie rock bank She & Him.