Michelle Obama hosts a fitness event in D.C. (9 images)

Dominique Dawes particiaptes in a fitness event with military families on the South Lawn of the White House in Washington, DC, on May 9, 2011. UPI/Roger L. Wollenberg

First Lady Michelle Obama and Dominique Dawes (R) participate in a fitness event with military families on the South Lawn of the White House in Washington, DC, on May 9, 2011. UPI/Roger L. Wollenberg

First Lady Michelle Obama participates in a fitness event with military families on the South Lawn of the White House in Washington, DC, on May 9, 2011. UPI/Roger L. Wollenberg

First Lady Michelle Obama hosts military families at a fitness event on the South Lawn of the White House in Washington, DC, on May 9, 2011. UPI/Roger L. Wollenberg