U.S. President Barack Obama, First Lady Michelle Obama (right), and their daughters, Malia (third from right) and Sasha (fourth from right), participate in the 90th lighting of the National Christmas tree in front of the White House in Washington, Dec. 6, 2012.
3. Jason Mraz was there.
4. And Manny from “Modern Family.”
7. John Boehner showed up and made some facial expressions.
9. And of course, Neil Patrick Harris.
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