President Barack Obama gives the thumbs-up when talking about how first lady Michelle Obama looks while waiting on the North Portico for the arrival of Chinese President Xi Jinping and his wife, Madame Peng Liyuan, ahead of a state dinner at the White House Sept. 25, 2015, in Washington, D.C.
Chip Somodevilla/Getty Images

The president and first lady hosted China's President Xi Jinping and his wife, Madame Peng Liyuan, at a White House state dinner Friday evening. And the first couple gave photographers quite a playful greeting as the president admired his wife, who stunned in what was reported to be a Vera Wang gown.