"Alguien Más" (English: "Someone Else") is the fourth single from Belinda's second studio album Utopía.

The song was released to radio in September 2007, but it was less successful than her previous single, "Luz Sin Gravedad".

To choose the fourth single, Belinda did a survey to her fans, which won "Alguien Más", followed by "Never Enough", "Amiga Soledad", "Pudo Ser Tan Fácil" and "Good...

[4] The single was written by Belinda, Nacho Peregín, Kara DioGuardi and Mitch Allan, who also produced the song.

Digital download/Promo According to the official Belinda's site, the artist filmed the music video in late July 2007, where she was the producer and guionist.