"U Smile" is a song performed by Canadian recording artist Justin Bieber. It was written by 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.