"Fallin for You" is a song by American singer-songwriter Colbie Caillat. It was written by Caillat along with Rick Nowels, and produced by Nowels, John Shanks, and Caillat's father Ken Caillat, for her second studio album Breakthrough (2009). The song was released on June 26, 2009 as the lead single from the album, through Universal Republic. Musically, the song is a pop ballad, and the lyrics, according to Caillat, speak of people falling for a guy that they are friends with.