(New York, NY; Columbia Records; Wednesday, April 20, 2011) - Beyoncé’s much-anticipated lead single from her upcoming as-yet-untitled fourth solo album, premieres on radio worldwide tomorrow. “Run The World (Girls)” will make its radio debut at 8:00 AM EST in the US/12:00 PM GMT in the UK. The single will be available worldwide for sale on iTunes starting Thursday morning. “Run The World (Girls)” was produced by Switch with additional production by Beyoncé and Shea Taylor. The song was written by Terius Nash (The Dream) and Beyoncé.