Michelle Obama Pictures

First Lady Michelle Obama hosts First Lady Svetlana Medvedeva of Russia, right, on the Truman Balcony of the White House, June 24, 2010. (Official White House Photo by Lawrence Jackson)

First Lady Michelle Obama makes remarks during the launch of "Let’s Move Outside", an extension of her "Let’s Move!" initiative, at the Visitors’ Center in Red Rock Canyon, Nev., June 1, 2010. (Official White House Photo by Samantha Appleton)

President Barack Obama prepares for foreign leader phone calls with Nigerian President Goodluck Jonathan and Japanese Prime Minister designate Naoto Kan, in the Oval Office, Saturday, June 5, 2010. Pictured, from left, are Michelle Gavin, senior director for African Affairs, Puneet Talwar, senior director for Iraq, Iran and the Gulf States, John Buchanan (on phone), director of operations and deputy director of the White House Situation Room, and National Security Advisor Gen. James Jones. (Official White House Photo by Pete Souza)

First Lady Michelle Obama speaks during the "Let’s Move!" chefs event on the South Lawn of the White House, June 4, 2010. (Official White House Photo by Chuck Kennedy)

President Barack Obama, Vice President Joe Biden and First Lady Michelle Obama talk in the Blue Room of the White House before hosting a reception in honor of Jewish American Heritage Month, May 27, 2010. (Official White House Photo by Pete Souza)

First Lady Michelle Obama attends the commencement ceremony at George Washington University on the National Mall in Washington, D.C., Sunday, May 16, 2010. Mrs. Obama delivered the commencement address after students made good on her challenge to do 100,000 hours of service in exchange for a graduation speech. (Official White House Photo by Samantha Appleton)

First Lady Michelle Obama and Dr. Jill Biden wait for the start of the Women’s Leadership Forum Issues Conference at the Washington Hilton in Washington, D.C., May 7, 2010. (Official White House Photo by Samantha Appleton)

First Lady Michelle Obama greets guests during a Mother’s Day Tea in the State Dining Room of the White House, May 7, 2010. (Official White House Photo by Samantha Appleton)

First Lady Michelle Obama and Dr. Jill Biden, far left, talk with, from left, Anne Eisenhower, Former First Lady Rosalynne Carter, granddaughter Sara Carter, Susan Eisenhower, and Kathleen Biden’s mother, Roberta Buhle, in the Blue Room of the White House, before the start of a Mother’s Day Tea, May 7, 2010. (Official White House Photo by Samantha Appleton)

President Barack Obama and First Lady Michelle Obama greet guests at the Cinco de Mayo reception in the Rose Garden of the White House, May 5, 2010. (Official White House Photo by Pete Souza)