President Barack Obama and first lady Michelle Obama exchange smiles as they wait to greet South Korean President Lee Myung-bak and his wife Kim Yoon-ok at the North Portico of the White House in Washington, Thursday, Oct., 13, 2011, prior to a State Dinner. (AP Photo/Pablo Martinez Monsivais)
President Barack Obama and first lady Michelle Obama pose for a photo with South Korean President Lee Myung-bak and his wife Kim Yoon-ok on the North Portico of the White House in Washington, Thursday, Oct., 13, 2011, prior to a State Dinner. (AP Photo/Pablo Martinez Monsivais)
President Barack Obama and first lady Michelle Obama walk out to greet South Korean President Lee Myung-bak and his wife Kim Yoon-ok at the North Portico of the White House in Washington, Thursday, Oct., 13, 2011, prior to a State Dinner. (AP Photo/Pablo Martinez Monsivais)
Michelle Obama (L) and President Barack Obama wait for the arrival of South Korean President Lee Myung-bak and first lady Kim Yoon-ok on the North Portico of the White House before attending a state dinner October 13, 2011 in Washington, DC. Michelle Obama is wearing a dress designed by Korean-American Doo-Ri Chung. Earlier in the day, President Lee held a joint press conference with Obama and addressed a joint meeting of Congress. (Photo by Chip Somodevilla/Getty Images)
South Korean first lady Kim Yoon-ok (L) is embraced by U.S. first lady Michelle Obama as South Korean President Lee Myung-bak and U.S. President Barack Obama® watch on the North Portico of the White House before attending a state dinner October 13, 2011 in Washington, DC. (Photo by Alex Wong/Getty Images)
South Korean first lady Kim Yoon-ok, U.S. first lady Michele Obama, South Korean President Lee Myung-bak and U.S. President Barack Obama pose for photographs on the North Portico of the White House before attending a state dinner October 13, 2011 in Washington, DC. (Photo by Chip Somodevilla/Getty Images)
South Korean first lady Kim Yoon-ok, U.S. first lady Michele Obama, South Korean President Lee Myung-bak and U.S. President Barack Obama walk into the White House from the North Portico before attending a state dinner October 13, 2011 in Washington, DC. (Photo by Chip Somodevilla/Getty Images)
At a state dinner for South Korean President Lee Myung-bak and his wife Kim Yoon-ok at the North Portico of the White House on October 13th, first lady Michelle Obama showed off one of her signature looks: wearing an asymmetrical gown by Korean-American designer Doo-Ri Chung.
