<div class="bbcode_center" style="text-align:center"><span style="color:#FF0000">Summary:</span>
4 is the fourth studio album by American recording artist Beyoncé Knowles, released June 24, 2011, on Columbia Records. The album marks the first release by Knowles since separating, professionally, with father and manager, Mathew Knowles.
Preceding the album's release, lead single "Run the World (Girls)" was released for digital download worldwide on April 21, 2011. The single was rushed for release after an early demo leaked on April 18, 2011. "Best Thing I Never Had" was released as the album's second single on June 1, 2011.