The First Lady celebrated her 50th birthday over the weekend with a huge bash at The White House, with big names like Beyonce, Jay Z, Jennifer Hudson, John Legend, Stevie Wonder, Mary J. Blige, Magic Johnson, Samuel L. Jackson, Smokey Robinson and Gladys Knight in attendance. Beyonce even took the stage for a performance, and word is President Obama got on the floor and did the Dougie! Check out a recap of the night via news reports
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