"Is It You" is a song by American recording artist Cassie that appears on the Step Up 2: The Streets soundtrack. The original recorded version includes Larceny Entertainment's Klepto who was removed from the final and soundtrack versions.
A music video for the song was released on the Step Up 2: The Streets MySpace page on February 1, 2008. In the music video, Ryan Leslie begins with an introduction on the piano. Cassie then begins singing while standing next to the piano. Clips from Step Up 2: The Streets appear throughout the video.