WASHINGTON (AP) — President Barack Obama and first lady Michelle Obama host the annual White House Easter Egg Roll Monday on the South Lawn.

The White House is expecting 30,000 men, women and children for the annual tradition. Celebrities joining the festivities include singer Justin Bieber and the cast of “Glee.” More than 14,500 hard-boiled eggs are dyed and waiting.

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After the egg rolling, Obama will make a pitch, but it won’t be for one of his priority programs.

He plans to throw out the first pitch as the Washington Nationals open their baseball season in the nation’s capital.