Enrique Iglesias' new hit single "Bailando" (feat. Descemer Bueno and Gente D'Zona), will be the theme song of new Telemundo soap opera, "Reina de Corazones." The series, billed as a "story full of mystery, espionage, conspiracies, intrigue, crime and romance" that unfolds in Las Vegas, premieres July 7 and will air weeknights at 8 p.m.