When Stars Sweat: Serena & Ciara And 9 Other Times Celebrity Friends Have Worked Out Together
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President Obama
Presdient Obama has worked out with his former White House staff, as well as famous friends like former NBA star Bruce Bowen (above) and LeBron James, Dwyane Wade, Carmelo Anthony, Derrick Rose, Joakim Noah and others, whether for a good cause or just for a good pickup game.