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First lady Michelle Obama admitted to Jay Leno that President Barack Obama sings all the time, and obviously, she wasn't lying.

During a blues concert for Black History Month at the White House Tuesday evening, Obama chimed in with music legends B.B. King and Mick Jagger on a performance of "Sweet Home Chicago."

VIDEO: Barack Obama belts out Al Green lyrics

If you'll recall, Obama famously paid tribute to soul legend Al Green by singing a few bars of "Let's Stay Together" during a fundraiser in January.