White House hosts special guest stars for Easter Egg Roll

The White House on Monday welcomes more than 30,000 people for the annual White House Easter Egg Roll. Among the stars expected to be in attendance are

Pop senasation Justin Bieber, the cast of the television show Glee, "Harry Potter" series author J.K. Rowling, Oscar-winning actress Reese Witherspoon, Olympic gold medal-winning speed skater Apolo Ohno, "Law and Order: SVU" star Mariska Hargitay, Art and Soul restaurant chef Art Smith, Restaurant Nora chef Nora Poullion, tennis legend Billie Jean King, and members of the National Football League's Washington Redskins and Baltimore Ravens.

According to the White House, the visitors will hail from all 50 states, having been chosen by an online lottery system.

Later on Monday, President Barack Obama will throw out the first pitch at the Washington Nationals home game season opener.