High Quality Content by WIKIPEDIA articles! "U Smile" is a song performed by Canadian recording artist Justin Bieber. It was written by Bieber, Jerry Duplessis, Arden Altino, and Dan August Rigo, and produced by Duplessis and Altino. According to Bieber, the song is dedicated to his fans. The song was released as the second digital-only single from the latter half of Bieber`s debut album on March 16, 2010. It was released to mainstream radio in Canada on August 9, 2010, followed by a mainstream and rhythmic release on August 24, 2010, in the United States as the album`s third single there.