WASHINGTON, DC - AUGUST 02: (L-R) Ho Ching, first lady Michelle Obama, Prime Minister Lee Hsien Loong of Singapore and U.S. President Barack Obama walk into the White House after greeting one another on the North Portico August 2, 2016 in Washington, DC. The Obamas are hosting the prime minister and his wife for an official state dinner. (Photo by Chip Somodevilla/Getty Images)