Watch President Barack Obama Do The 'Single Ladies' Dance

'I'm not like Justin; I didn't put on the outfit,' the president told Beyoncé at the 'We Are One' concert. By Gil Kaufman President Barack Obama Photo: Jonathan Ernst/ Getty Images The Obamas may not have gotten the highest marks for their slow dancing on inauguration night, but the commander in chief proved that he's got plenty of skills while greeting celebrities at the "We Are One" concert on January 18. A video shot by someone in John Legend's crew and posted on the Vibe magazine web site shows a long line of star-struck and emotional stars giddily waiting in the cold to meet Barack Obama, among them: Legend, Sheryl Crow, Queen Latifah, Tom Hanks, Beyoncé and Mary J. Blige. "This is incredible, right?" Legend said looking out into the audience of tens of thousands who crowded around the reflecting pool in front of the Lincoln Memorial for the all-star show. "It's overwhelming," Beyoncé added, as Legend encouraged her to "break into 'Single Ladies' ... (link)