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WASHINGTON, DC - APRIL 17: U.S. first lady Melania Trump reads to children from the book ÒParty AnimalsÓ during the 139th Easter Egg Roll on the South Lawn of the White House April 17, 2017 in Washington, DC. The White House said 21,000 people were expected to attend the annual tradition of rolling colored eggs down the White House lawn that was started by President Rutherford B. Hayes in 1878. (Photo by Win McNamee/Getty Images)

WASHINGTON, DC - APRIL 17:  U.S. first lady Melania Trump reads to children from the book ÒParty AnimalsÓ during the 139th Easter Egg Roll on the South Lawn of the White House April 17, 2017 in Washington, DC. The White House said 21,000 people were expected to attend the annual tradition of rolling colored eggs down the White House lawn that was started by President Rutherford B. Hayes in 1878.  (Photo by Win McNamee/Getty Images)

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WASHINGTON, DC - APRIL 17: U.S. first lady Melania Trump reads 'Party Animals' by Kathy Lee Gifford during the 139th Easter Egg Roll on the South Lawn of the White House April 17, 2017 in Washington, DC. The White House said 21,000 people are expected to attend the annual tradition of rolling colored eggs down the White House lawn that was started by President Rutherford B. Hayes in 1878. (Photo by Chip Somodevilla/Getty Images)

WASHINGTON, DC - APRIL 17:  U.S. first lady Melania Trump reads 'Party Animals' by Kathy Lee Gifford during the 139th Easter Egg Roll on the South Lawn of the White House April 17, 2017 in Washington, DC. The White House said 21,000 people are expected to attend the annual tradition of rolling colored eggs down the White House lawn that was started by President Rutherford B. Hayes in 1878.  (Photo by Chip Somodevilla/Getty Images)

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WASHINGTON, DC - APRIL 17: U.S. first lady Melania Trump reads 'Party Animals' by Kathy Lee Gifford during the 139th Easter Egg Roll on the South Lawn of the White House April 17, 2017 in Washington, DC. The White House said 21,000 people are expected to attend the annual tradition of rolling colored eggs down the White House lawn that was started by President Rutherford B. Hayes in 1878. (Photo by Chip Somodevilla/Getty Images)

WASHINGTON, DC - APRIL 17:  U.S. first lady Melania Trump reads 'Party Animals' by Kathy Lee Gifford during the 139th Easter Egg Roll on the South Lawn of the White House April 17, 2017 in Washington, DC. The White House said 21,000 people are expected to attend the annual tradition of rolling colored eggs down the White House lawn that was started by President Rutherford B. Hayes in 1878.  (Photo by Chip Somodevilla/Getty Images)

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WASHINGTON, DC - APRIL 17: U.S. first lady Melania Trump prepares to read 'Party Animals' by Kathy Lee Gifford during the 139th Easter Egg Roll on the South Lawn of the White House April 17, 2017 in Washington, DC. The White House said 21,000 people are expected to attend the annual tradition of rolling colored eggs down the White House lawn that was started by President Rutherford B. Hayes in 1878. (Photo by Chip Somodevilla/Getty Images)

WASHINGTON, DC - APRIL 17:  U.S. first lady Melania Trump prepares to read 'Party Animals' by Kathy Lee Gifford during the 139th Easter Egg Roll on the South Lawn of the White House April 17, 2017 in Washington, DC. The White House said 21,000 people are expected to attend the annual tradition of rolling colored eggs down the White House lawn that was started by President Rutherford B. Hayes in 1878.  (Photo by Chip Somodevilla/Getty Images)

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WASHINGTON, DC - APRIL 17: U.S. President Donald Trump (L), first lady Melania Trump and their son Barron Trump host the 139th Easter Egg Roll with Trump's daughter Tiffany Trump on the South Lawn of the White House April 17, 2017 in Washington, DC. The White House said 21,000 people are expected to attend the annual tradition of rolling colored eggs down the White House lawn that was started by President Rutherford B. Hayes in 1878. (Photo by Chip Somodevilla/Getty Images)

WASHINGTON, DC - APRIL 17:  U.S. President Donald Trump (L), first lady Melania Trump and their son Barron Trump host the 139th Easter Egg Roll with Trump's daughter Tiffany Trump on the South Lawn of the White House April 17, 2017 in Washington, DC. The White House said 21,000 people are expected to attend the annual tradition of rolling colored eggs down the White House lawn that was started by President Rutherford B. Hayes in 1878.  (Photo by Chip Somodevilla/Getty Images)