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US President Barack Obama speaks and sings Christmas carols on stage during the lighting ceremony for the 2016 National Christmas Tree on the Ellipse near the White House, Dec 1, 2016 in Washington. The lighting of the tree is an annual tradition attended by the US President and the First Family. President Calvin Coolidge lit the first National Christmas tree, a 14.6 meter high Balsam fir, in 1923.

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US President Barack Obama speaks on stage during the lighting ceremony
President Barack Obama, first lady Michelle Obama and their daughter Sasha light the 2016 National Christmas Tree during the National Christmas Tree lighting ceremony and watch the musical performances.