Watch: Barack Obama and Michelle Obama's dance moves at Beyonce's concert

Just take a look who were spotted dancing at a concert of singers Beyonce Knowles and Jay-Z in Landover, Maryland. It's none other than former United States President Barack Obama and first lady Michelle Obama. Some two weeks ago, Michelle was was filmed dancing with Beyonce's mother, Tina Knowles. It was at another concert of the singers in Paris. Barack and Michelle are close friends with Beyonce and Jay-Z. Beyonce had already performed during Obama’s inauguration when he took the office in White House in 2008. She had also been associated with Michelle on her 'Let's Move' campaign against childhood obesity.