"Mientes" (English: You Lie) is a song by Mexican pop group Camila released as the lead single from their second studio album, Dejarte de Amar (2010) released on November 16, 2009 through Sony Music, the song was written by Mario Domm and Mónica Vélez.

The song was also part of the soundtrack of Mexican telenovela Corazón Salvaje (2009-2010).

The song also topped the Mexican Airplay Chart and peaked at number 11 on the Spanish Singles Chart, where was certified Gold, more than 20.000 copies, on March 15, 2014.

The music video was directed by Ricardo Calderón and filmed at colonia San Rafael in Mexico City.

[2] The video features the group playing the theme and in parallel the story of a couple living misunderstandings, disappointments and lies that lead to loss.