Hilary Duff: Sparks (2015) (movie): "Sparks" is a song recorded by American singer Hilary Duff for her fifth studio album, Breathe In. Breathe Out. (2015). It was written and produced by Christian "Bloodshy" Karlsson and Peter Thomas, with additional writing from To... Discover the latest Discussions, Reviews, Quotes, Theories, Explanations and Analysis of Hilary Duff: Sparks (2015) below