There is more than one artist with this name:

(1) Belle, formerly Belle Noir, is a four-piece rock band from Colorado consisting of Joey Lancaster (Vocals/Guitar), Roman Gonzalez (Drums/Vocals), Matt Coate (Bass/Vocals), and Rob Verosko (Guitar). They list their influences as Dredg, Circa Survive, Balance And Composure, The Appleseed Cast, O’Brother, As Cities Burn, and Moving Mountains.

(2) “Belle” Born “Anna Akopova” is a singer, song writer, lyricist extraordinaire and was born on the 6th of April