U.S. President Barack Obama’s daughters Sasha Obama (3R) and Malia Obama (L), first lady Michelle Obama (4L), her mother Marian Robinson

WASHINGTON - APRIL 13: (AFP OUT) U.S. President Barack Obama's daughters Sasha Obama (3R) and Malia Obama (L), first lady Michelle Obama (4L), her mother Marian Robinson (R) and other guests watch as singer Fergie performs during the annual White House Easter Egg Roll on the South Lawn of the White House April 13, 2009 in Washington, DC. The White House Easter Egg Roll is a tradition dating back to 1878 during the presidency of Rutherford B. Hayes. (Photo by Roger L. Wollenberg-Pool/Getty Images) *** Local Caption *** Marian Robinson;Michelle Obama;Malia Obama;Sasha Obama