"Get Up" is a song by American recording artist Ciara. Released on July 25, 2006, the song serves as the first single from the original soundtrack to the film Step Up (2006), as well as the lead single for her second album, Ciara: The Evolution. It features American rapper Chamillionaire. The song was written by the singer and rapper with her mentor Jazze Pha, who produced the song. The song is a hip-hop number, accompanied by R&B and dance music sounds, while integrating a mild crunk beat. The song received generally positive reviews from music critics, who compared it to her previous work, namely "1, 2 Step."