"Best Friend's Brother" is a song performed by American pop recording artist Victoria Justice, billed as Cast of Victorious featuring Victoria Justice. It was produced by Kool Kojak, who also co-wrote the song with Savan Kotecha and Victoria Justice, for Victorious: Music from the Hit TV Show (2011), the soundtrack to the Nickelodeon television series, Victorious. It was released as the album's fourth single on May 20, 2011 through Columbia Records in association with Nickelodeon. Musically, the song runs through an electropop oriented dance beat with teen pop lyrics, and the lyrics speak of a girl's crush on her best friend's brother.