Michelle O. Greets Wife of British Prime Minister Samantha Cameron

First lady Michelle Obama (wearing L'Wren Scott) and Samantha Cameron, wife of British Prime Minister David Cameron, take part in an Olympics themed event with D.C. area children at American University in Washington March 13, 2012. The event was held to celebrate the 2012 London Olympics and Mrs. Obama's "Let's Move" initiative. 

 First Lady Michelle Obama plays tennis with students during an Olympics-themed event with area school children at American University March 13, 2012 in Washington, DC. 

  First Lady Michelle Obama (wearing Zac Posen) and Samantha Cameron speak during a welcoming ceremony at the White House in Washington, DC, March 14, 2012. [photo via AP Photos, Reuters and Getty Images]