Pop icon Madonna unveiled the second single from her upcoming twelfth studio album, "MDNA" on Monday.  Titled "Girl Gone Wild," the single is very electro-pop oriented just like the first single, "Give Me All Your Luvin'," which she performed at the Super Bowl.  Listen to the new single below.  "MDNA" is set to hit stores on March 26th.  It will be Madonna's first release on Interscope after spending her entire career with Warner Bros.