“Loca” is a song by Shakira that appears on her seventh studio album, Sale el Sol. The Spanish-language version features Dominican rapper El Cata, and was released on 10 September 2010, while the English-language version features British rapper Dizzee Rascal, and was released on 13 September 2010.

Upon its release, “Loca” received generally favourable reviews from music critics, who complimented the inclusion of merengue music on the recording. The English version of the song became a worldwide commercial success and peaked inside the top five of the record charts of countries like Austria, Belgium, France, Hungary and Italy.

The Spanish version peaked atop the charts of Spain and Switzerland, and became a hit on the Latin record charts in the United States, topping the Billboard Hot Latin Songs, Latin Pop Airplay, and Tropical Songs charts. "