Happy Birthday, First Lady Michelle LaVaughn Robinson Obama.....
First Lady Michelle Obama stands with President Barack Obama, not pictured, as they wait for the arrival of Britain's Queen Elizabeth II and Prince Philip for a reciprocal dinner at Winfield House in London, Wednesday, May 25, 2011.
-----AP Photo/Charles Dharapak
Democratic presidential candidate, Sen. Barack Obama, D-Ill., kisses his wife, Michelle Obama, after giving his acceptance speech at the Democratic National Convention at Invesco Field at Mile High in Denver Thursday, Aug. 28, 2008.
----AP Photo/Alex Brandon
U.S. First Lady Michelle Obama and daughter Malia listen to their guide during a safari in Madikwe Game Reserve June 25, 2011.
First Lady Michelle Obama laughs while visiting with Brianna Mast, wife of Wounded Warrior Sgt. Brian Mast, and their son Magnus, in the Green Room of the White House, prior to the Joining Forces initiative event in support of military families, April 12, 2011.
-----Official White House Photo by Samantha Appleton
President Barack Obama and First Lady Michelle Obama dance together during the Governors Ball in the East Room of the White House, Feb. 21, 2010.
----Official White House Photo by Pete Souza
This official White House photograph is being made available only for publication by news organizations and/or for personal use printing by the subject(s) of the photograph. The photograph may not be manipulated in any way and may not be used in commercial or political materials, advertisements, emails, products, promotions that in any way suggests approval or endorsement of the President, the First Family, or the White House.
U.S. First Lady Michelle Obama (L), holding her daughter Sasha, smiles broadly as she is greeted by volunteers singing Happy Birthday to her as she arrives with her family to volunteer in honor of Martin Luther King Jr Day at Stuart-Hobson Middle School on Capitol Hill in Washington, January 17, 2011.
This photo provided by the White House, taken Dec. 11, 2011, shows President Barack Obama, First Lady Michelle Obama, and their daughters, Sasha, right, and Malia, center, sitting for a family portrait in the Oval Office of the White House in Washington.
----AP Photo/Pete Souza, White House
U.S. President Barack Obama and first lady Michelle Obama attend 2011 Kennedy Center Honors in Washington December 4, 2011.