"Loca" (English: "Crazy") is a song by Colombian singer-songwriter Shakira. It was released as the lead single from her third bilingual and seventh studio album Sale el Sol. Two versions of the song were recorded, one in English, that features vocals from British rapper Dizzee Rascal, and one in Spanish that features vocals from El Cata. The song premiered on radio on September 1, and later premiered on Shakira's official website.