"Desde Cuándo" (English: "Since When") is a song by Spanish singer-songwriter Alejandro Sanz.

The song serves as second single for Sanz's eighth studio album Paraíso Express (2009).

[3] It was filmed in Golden Oak Ranch studios from Disney on Los Angeles, Cal.

[4] It also stars American actress Eva Longoria as Sanz's love interest.

[5] The video is set in a field environment with a river where Sanz and Longoria ride bicycles, sleep together and have a romantic and conspiratorial attitude at all times.