First Lady Michelle Obama and Ho Ching(L), wife of Singapore's Prime Minister Lee Hsien Loong watch a performance by students at the Turnaround Arts Summer Program at the National Gallery of Art in Washington DC, August 2, 2016. First Lady Michelle Obama serves as the chair of the President's Committee on the Arts and Humanities which created the Turnaround Arts Summer Program to transform some of the nation's lowest performing schools through arts education. / AFP PHOTO / CHRIS KLEPONISCHRIS KLEPONIS/AFP/Getty Images

First Lady Michelle Obama and Ho Ching(L), wife of Singapore's Prime Minister Lee Hsien Loong watch a performance by students at the Turnaround Arts Summer Program at the National Gallery of Art in Washington DC, August 2, 2016. First Lady Michelle Obama serves as the chair of the President's Committee on the Arts and Humanities which created the Turnaround Arts Summer Program to transform some of the nation's lowest performing schools through arts education. / AFP PHOTO / CHRIS KLEPONISCHRIS KLEPONIS/AFP/Getty Images

WASHINGTON, DC - AUGUST 02: US President Barack Obama and Prime Minister Lee Hsien Loong of Singapore during official welcoming ceremonies on the South Lawn of the White House on August 2, 2016 in Washington, DC . Lee is on a State Visit to the United States. (Photo by Pete Marovich-Pool/Getty Images)

First Lady Michelle Obama and Ho Ching(C), wife of Singapore's Prime Minister Lee Hsien Loong pose next to a portrait of the 16th President of the US, Abraham Lincoln as they tour the National Gallery of Art in Washington DC, August 2, 2016. / AFP PHOTO / CHRIS KLEPONISCHRIS KLEPONIS/AFP/Getty Images

WASHINGTON, DC - AUGUST 02: President Barack Obama and Prime Minister Lee Hsien Loong of Singapore make their way to the Oval Office for a meeting following a State Welcome Ceremony on the South Lawn of the White House on August 2, 2016 in Washington, DC . Lee is on a State Visit to the United States. (Photo by Pete Marovich-Pool/Getty Images)

WASHINGTON, DC - AUGUST 02: President Barack Obama and Prime Minister Lee Hsien Loong of Singapore make their way to the Oval Office for a meeting following a State Welcome Ceremony on the South Lawn of the White House on August 2, 2016 in Washington, DC . Lee is on a State Visit to the United States. (Photo by Pete Marovich-Pool/Getty Images)

First Lady Michelle Obama and Ho Ching(L), wife of Singapore's Prime Minister Lee Hsien Loong watch a performance by students at the Turnaround Arts Summer Program at the National Gallery of Art in Washington DC, August 2, 2016. First Lady Michelle Obama serves as the chair of the President's Committee on the Arts and Humanities which created the Turnaround Arts Summer Program to transform some of the nation's lowest performing schools through arts education. / AFP PHOTO / CHRIS KLEPONISCHRIS KLEPONIS/AFP/Getty Images

First Lady Michelle Obama and Ho Ching(C), wife of Singapore's Prime Minister Lee Hsien Loong look at a portrait of the 16th President of the US, Abraham Lincoln as they are escorted through the National Gallery of Art in Washington DC, August 2, 2016 by Museum Director Earl "Rusty" Powell III. / AFP PHOTO / CHRIS KLEPONISCHRIS KLEPONIS/AFP/Getty Images