

The White House Easter Egg Roll takes place on the South Lawn of the White House in Washington on April 25. J. Scott Applewhite/AP
President Barack Obama welcomes guests to the annual White House Easter Egg Roll in Washington on April 25. Kevin Lamarque/Reuters
President Obama, with first lady Michelle Obama and daughters Malia and Sasha (c.), their grandmother Marian Robinson (at rear) and the Easter Bunny, wave as they arrive for the start of the annual White House Easter Egg Roll festivities in Washington on April 25. J. Scott Applewhite/AP
President Obama, with daughter Sasha, arrives to host the White House Easter Egg Roll on the South Lawn of the White House in Washington on April 25. First lady Michelle Obama and daughter Malia walk (l.) and the president's mother-in-law, Marian Robinson, at (top r.). J. Scott Applewhite/AP
President Obama blows a whistle at the White House Easter Egg Roll, on April 25, in Washington. Charles Dharapak/AP
Children roll eggs on the South Lawn of the White House in Washington on April 25, during the White House Easter Egg Roll. Charles Dharapak/AP
President Obama hits a tennis ball from between his legs during a tennis workshop with children and Chris Evert (r.) on April 25, at the White House Easter Egg Roll on the South Lawn. Charles Dharapak/AP
President Obama takes a shot at the basket during the annual Easter Egg Roll. Jim Young/Reuters
Miranda Husband (c.) and Issac Husband (third l.) of Greencastle, Pa., roll Easter eggs on the South Lawn of the White House on April 25. Charles Dharapak/AP
President Obama high-fives children at the White House Easter Egg Roll on the South Lawn on April 25. Charles Dharapak/AP
President Obama reads the children's book 'Chicka Chicka Boom Boom' to youngsters at the Easter Egg Roll festivities on April 25. J. Scott Applewhite/AP
President Obama and First Lady Michelle Obama read a book titled 'Chicka Chicka Boom Boom' to children during the annual Easter Egg Roll on April 25. Daughters Sasha (2nd r.) and Malia are seen on the right as they listen with their dog Bo. Kevin Lamarque/Reuters
Families participate in the annual Easter Egg Roll on April 25. J. Scott Applewhite/AP
Willow Smith (c.), daughter of actor Will Smith and Jada Pinkett Smith, performs a song with dancers on stage at the annual White House Easter Egg Roll in Washington on April 25. Jason Reed/Reuters
First Lady Michelle Obama (l.) joins Jada Pinkett Smith and her son Jaden (2nd r.) as Smith's daughter Willow (not pictured) performs on stage at the annual White House Easter Egg Roll in Washington on April 25. Jason Reed/Reuters