Michelle Obama Pictures

President Barack Obama, First Lady Michelle Obama, and Vice President Joe Biden bow their heads during the funeral for Dorothy Height at Washington National Cathedral in Washington, D.C., April 29, 2010. (Official White House Photo by Pete Souza)

President Barack Obama, First Lady Michelle Obama, and Vice President Joe Biden attend Dorothy Height’s funeral at Washington National Cathedral in Washington, D.C., April 29, 2010. (Official White House Photo by Pete Souza)

President Barack Obama and First Lady Michelle Obama have a chance encounter with other hikers while walking along a trail off the Blue Ridge Parkway outside of Asheville, N.C., April 23, 2010. (Official White House Photo by Pete Souza)

President Barack Obama and First Lady Michelle Obama talk with patrons at 12 Bones restaurant in Asheville, N.C., April 23, 2010. (Official White House Photo by Pete Souza)

Bo, the Obama family dog, paws First Lady Michelle Obama’s leg, during a "Take Your Child To Work Day" event with children of White House staff, in the East Room of the White House, April 22, 2010. (Official White House Photo by Chuck Kennedy)

First Lady Michelle Obama exercises with students and Olympic athletes during a Let’s Move event at the River Terrace Elementary School in Washington, D.C., April 21, 2010. (Official White House Photo by Samantha Appleton)

President Barack Obama and First Lady Michelle Obama greet members of the U.S. Olympic Women’s Ice Hockey team in the Diplomatic Reception Room of the White House, April 21, 2010. (Official White House Photo by Pete Souza)

First Lady Michelle Obama hugs a woman working at New Roots Community Farm in San Diego, Calif., April 15, 2010. (Official White House Photo by Lawrence Jackson)

First Lady Michelle Obama greets children during her visit to a school, Escuela Siete de Enero, in Mexico City, Mexico, April 14, 2010. (Official White House Photo by Samantha Appleton)

First Lady Michelle Obama and Dr. Jill Biden tour earthquake damage in Port Au-Prince, Haiti, along with Haitian President Rene Preval, and Elisabeth Delatour Preval, the First Lady of Haiti, April 13, 2010. The damaged presidential palace is seen in the background. (Official White House Photo by Samantha Appleton)