"Smile" is a song by American musician Uncle Kracker from his fourth studio album, Happy Hour (2009). It was released as the album's first single on July 13, 2009, and again charted in August 2010. The track features pop rock singer Rae Rae, who sings backing vocals throughout the song and at the end of the title. Commercially, the song reached number 31 on the US Billboard Hot 100, number 44 in C... Wikipedia